1.It's good if children do something to save energy at home

children should...........

2.They will probably buy devices that run on electricity

they might....

3.Hydropower is larger than any other renewable energy source for electricity

Hydropower is.....

4. It is necessary for US to reduce the fossil fuei consumption to save the environment

We must.....

5.In the past people didn't use as much renewable energy as they do now

Now people use.....

làm hộ mình nha mình đang cần gấp

Complete the text with past simple or past continuous forms of the verbs in brackets. A terrible trip! On the day of the school trip 1 (1)........(wake up) as usual at 8 o'clock to go to school (2)..........(leave) the house when I realised I(3).........(not have) my sandwiches, so I (4).............(run) back inside. I(5).........(set off) again and I..........(6)........(walk) along the road when suddenly it (7)..........(start) to rain. At that moment, my friend Alice (8).........(come) past in her mother's car and they (9)...........(stop) to pick me up. The excursion (10)........(be) to the wildlife park about 15 minutes from our town. When we (11)........(arrive) at school the bus was waiting outside, so we (12) .................(get on) and sat downAlice and I (13).........(talk), so we (14).......(not notice) the other students on the bus. Half an hour later we (15)......(look) out of the window.We (16)........(be) at the museum, not in the park! We looked at the other people around us and we (17).........(see) they were from another class. It (18)........(be) the wrong bus! giúp mình vs ạ 
 

IX. Write the sentences with the cue words.

1. I/ going to / visit Ha Long Bay/ summer vacation.=>…………................................. …………………………
2. It/ cool/ fall.=>…………....................................................................……………………………
3. Where / you/ from?=>…………...................................................................…………………………….
4. Ho Chi Minh City / big/ Ha Noi.=>………….....................................……………………………..
5. Mexico City / big city/ world.=>…………..............................................................…………………………….
6.  The Nile River/ long river/ world.=>…….............................................................…...........................................
7. We / going to / visit / Hue / next week.=> ……………………………………………………………………….
8. Hoa / often / go fishing / on Sundays.=> ………………………………………………………………………
9. It / hot / summer.=> …………………………………………………………………………….
10. There / be / a lot of / rivers and mountains / my country.=>………………………………………………

IX. Supply the correct form of the words in parentheses.

1.      What is the (high)……………of that mountain? – About 2000 meters.

2.      How many (child)……………..do you have, Mr. Nam?

3.      Lan is the (small)……………………of the three girls.

4.      Jane is the (young)………………of the two girls.

5.      There are ten (bookshelf)…………………….in the library.

6.      The country is (quiet)…………….than the city.

7.      Which color do you like (good)…………….?

8.      We must (take) ………..an umbrella. It (rain)……………..

9.      Nga doesn’t like (China)………………..food.

10.  The weather is becoming (cold)………………

11.  We must be (care)........................... when we cross the  road.                              

12.  This tree has a lot of green  (leaf)....................................                                     

13.   Is your father a  (business).............................?                                        

14.   I’m Vietnamese. What’s your (nation)......................................?                         

15.  Air (pollute)......................... is a big problem in many cities in the world.           

16.  The photocopy is between the (bake)..........................and the drugstore.         

17.  Is your brother an (act).........................................?                                              

18.  Mai's sister is a  (sing).......................................

19.   Yoko is from Japan. She is  (Japan)................................

20.   She is (beautiful)……………………than her sister.