1. A

2. A

3. A

4. A

5. D

6. A

1. I don't understand this lesson.

2. Is the Nile the longest river in the world ?

3. Câu này mik ko bt

4. Those bags cost too much.

5. The olympic games take place every four years.

6. The amazon river flows into the atlantic ocean.

7. Emma is always helpful to her classmates.

1a is

2a buy

3a may be

4a took part

5d get out of

6a lost

question 1 không có a,b,c,d

1 I don't understand this lesson

2 Is the Nile the longest river in the world?

3 the children play in the park every sunday morning

4 those bags cost too much

5 the olympic games take place every four years

6 the amazon river flows into the atlantic ocean

7 emma is always helpful to her classmates