Ex4.

1. has learnt

2.doing

3.was written

4.wash

Ex1.

1. In the south of Viet Nam

2.they often stay there for 2 or 3 days

3.Nha Trang

4.Tri Nguyen aquarium

Ex2.

1a

2b

3b

4a

Ex3

1. the new president will be interviewed on TV by some people

2.Because of water pollution, we can't...

3.He isn't happy in spite of being very rich

4.the stomachache prevented Mr.Bean from enjoying the meal

Ex4:
1.has learnt
2.seeing
3.has been written
4.wash
II
Ex1:
1.It is in the south of Viet Nam
2.They often stayed three for two or three days

3.last summer ,they went to Nha Trang
4.Its name is Tri Nguyen
Ex2:
1.A
2.A
3.B
4.A
III
1.The new president will be interviewed on TV
2.Because of polluted water,we can't swim in this river
3.In spite of being rich,he isn't happy
4.The stomachache prevented Mr Bean from the meal
#Chúc bn học tốt