A

1 If Peter didn't eat many chips, he wouldn't so fat.

2 When Tan comes, the floor has been cleaned by Lan.

3 Mordern submarines have been sent to investigate the seabed.

4 If they hadn't gone by coach, most of them wouldn't have got carsick.

5 If you don't do these exercises carefully, they'll get bad marks.

6 English can be spoken at the club.

7 If you don't have a visa, you can't visit the USA.

8 Would you like to go to the cinema tonight?

B

1 is located

2 came ( peter came -> hành động xen vào, chia quá khứ đơn; his sister was doing the washing up -> hành động đang xảy ra nên chia qúa khứ tiếp diễn )

3 isn't invited 

4 is being photographed 

5 left

6 are eliminated

C 

1 he would have gone to the supermarket.

2 go to bed

A

1. If Peter didn't eat many chips, he wouldn't so fat.

2. When Tan comes, the floor has been cleaned by Lan.

3. Mordern submarines have been sent to investigate the seabed.

4. If they hadn't gone by coach, most of them wouldn't have got carsick.

5. If you don't do these exercises carefully, they'll get bad marks.

6. English can be spoken at the club.

7. If you don't have a visa, you can't visit the USA.

8. Would you like to go to the cinema tonight?

B

1. is located

2. came

3. isn't invited 

4. is being photographed 

5. left

6. are eliminated

C 

1. he would have gone to the supermarket.

2. go to bed

$@Huin$