Động vật nào sau đây trao đổi khí với môi trường vừa qua phổi vừa qua da ?

A. Châu chấu

B. Chuột

C. Tôm

D. Ếch đồng

A. that

B. if

C. so

D. but

1. He isn't turning left. He is turning right.

2. I'm not having breakfast. I'm having lunch.

3. Lan isn't playing video games. She's is doing her homework.

4. Ba isn't writing. He is reading a book.

5. They aren't playing soccer. They are playing volleyball.

6. The children aren't waiting for bus. They are waiting for their friends.

1. D

2. D

3. D

4. B

I

1. B

2. C

3. D

4. A

5. C

6. C

II

1. sending thành send

2. will be thành is

3. make thành are made

4. are running thành will run