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1. We were having dinner while they were listening to the radio.
2. The fire started while she was sleeping.
3. What were you doing when it began to rain?
4. When the farmer started whistling, he was ploughing the field.
5. What were they doing when you came?
6. What was happening when she came?
7. The man came in while she was reading a book.
8. The volcano erupted while they were working.
9. The lava hit the town when the ship was leaving the harbor.
10. Someone hit the headmaster on the road when he was going to his car.

1 An art exhibition will be organized by this company next month
2 Her watch was broken yesterday
3 All the wine was drunk in the bottle
4 Dinner was cooked very well
5 The Internet is used as a means of education
6 The city was struck by a huge earthquake in 1995
7 We have been disappointed by the movies very much
8 Tom said that he wanted to buy a pocket calculator for his mother
9 Mr. Brown said that their trip costed them two thousand dollars
10 He said to her that he couldn't find his hat anywhere in that room
11 My father said to them that his secretary was going to finish that job
12 He said that he would expect her to come soon
13 She is too old so she can't work hard
14 Because the story is boring, I am sleeping now
15 I can't go out because of the rain
Hoặc I can't go out because of the fact that it's raining
16 Because of the cold weather, they had to cancel their picnic
\(\text{≌₰⇴⩸⨙⩸※◡⨦}\)

We were having dinner while they were listening to the radio
The fire started while she was sleeping
What were you doing when it began to rain?
When the farmer started whishing while he was ploughting the field
What were they doing when you came?
What was happening when she came?
The man came in while she was reading a book
The volcano erupted while they were working
The lava hit the town when the ship was leaving the harbor
Someone hit the headmaster on the road when he was going to his car

When the guess arrives, they
Arrives=> arrived
were having dinner, and they stopped talking to him

Change these sentences into passive void
1. The flood happened early this morning in Quang Binh Province and now the government is sending aid to the flood victims.
The flood happened early this morning in Quang Binh Province and now aid is being sent to the flood victims by the government
2. The earthquake stuck the city and destroyed completely thousands of building and houses.
The city was stuck and thousands of building and houses were destroyed by the earthquake
3. Our government has declared satate of emergency following the earthquake .
State of emergency has been declared following the earthquake by the government
4. When the typhoon happened, they had moved most of the people there to safe areas.
When the typhoon happened, most of people there had been moved to safe areas
5. The storm destroyed his house completely and now he is living with his friends.
His house was destroyed completely and now he is living with his friends

1. donated
2. were you doing was sleeping
3. were camping/came
4. ran/ moved
5. wasn’t reading/was watching
1. We donated money to help the earthquake victims last month.
(Chúng tôi khuyên góp tiền để giúp đỡ những nạn nhân của trận động đất tháng trước.)
Giải thích: Đây là một hành động xảy ra và kết thúc vào một thời điểm trong quá khứ, nên ta sẽ dùng thì quá khứ đơn, đáp án cần chọn là donated.
2. - What were you doing when the volcano erupted?
- I was sleeping in my bed.
Giải thích: Một hành động đang xảy ra ở quá khứ thì bị hành động khác chen ngang vào, do đó chúng ta sẽ dùng thì quá khứ tiếp diễn để chia các động từ, đáp án cần điền là were you doing – was sleeping.
3. While they were camping near the river, the flood came suddenly.
(Khi họ đang đi cắm trại gần con sông, bất ngờ cơn lũ kéo tới.)
Giải thích: Một hành động đang xảy ra ở quá khứ thì bị hành động khác chen ngang vào, do đó chúng ta sẽ dùng thì quá khứ tiếp diễn chia động từ đầu tiên, động từ thứ hai chia thì quá khứ đơn, đáp án là were camping – came.
4. After Tom ran out of his house, he moved quickly to a safer place.
(Sau khi Tom chạy ra khỏi nhà, anh ấy nhanh chóng di chuyển đến nơi an toàn hơn.)
Giải thích: Những hành động liên tiếp xảy ra và kết thúc trong quá khứ, ta sẽ dùng thì quá khứ đơn để chia các động từ, đáp án là ran – moved.
5. I wasn’t watching a newspaper at 9 a.m. yesterday, but I watched the news about the tornado.
Giải thích: Trong vế đầu tiên của câu, đây là một hành động đang xảy ra tại một thời điểm chính xác trong quá khứ, nên ta sẽ dùng thì quá khứ tiếp diễn, còn về sau là một hành động xảy ra và kết thúc trong quá khứ nên ta dùng thì quá khứ đơn., đáp án cần điền là wasn’t watching – watched.
They were having dinner when the earthquake struck.
They were having dinner when the earthquake struck.