Bài giải:

a; Cả hai túi đựng số gạo là:

       15 + 25,5 = 40,5 (kg)

b; Trung bình mỗi túi có số gạo là:

      40,5 : 2 = 20,25 (kg)

      20,25 = 2,025 (yến gạo)

Đáp số: ...

• 1,She prefers drinking a cup of coffee.
• 2,We would prefer going abroad on a long vacation.
• 3,Why do you prefer to attend a concert rather than watch it live?
• 4,I would prefer to work part-time rather than work full-time.
• 5,I like both Harry Potter and Peaky Blinders. But I prefer Harry Potter.

1 prefers

2 prefers

3 prefer

5 would prefer

5 prefer

The Browns have been here for 10 days.

The Browns have been here for 10 days

1 Where do Mr and Mrs. Green live?

2 What is your father doing now?

3 How old are you?

4 How many class rooms are there in your school?

1 Where do Mr and Mrs. Green live?

2 What is your father doing now?

3 How old are you?

4 How many class rooms are there in your school?

1 A. Not to go
2 B. Than
3 A. Prefer
4 B. Picked

1 C

2 B

3 A

4 B

VIII

1 f

2 a

3 c

4 b

5 d

6 e

1 I am in grade 4

2 My school have 18 classrooms

3 I have English lessons on Monday, Wednesday and Saturday

4 My classes start at 7 in the morning

1 first

2 second

3 third

4 fourth 

5 fifth

6 sixth

7 seventh

8 eighth 

9 nineth

10 tenth 

1 first

2 second

3 third

4 fourth 

5 fifth

6 sixth

7 seventh

8 eighth 

9 nineth

10 tenth 

1 What do you think about Ted's new book?

2 What does this word mean?

3 How much is that piece of meat?

5 What does the box have?

6 The sun rises at 4.30 tomorrow morning

7 What are you going to do now?

8 What were you doing when the explosion happened?

Bài 1

1 C

2 A

3 B

4 A

5 A

Bài 2

1 A

3 A

3 A

4 C

5 A