1, famous

2, tourists

3, quiet

4, experience

5, swimming

6, seafood

1.We have not seen her since Christmas day.
2.This is the first time I have eaten this kind of food.
3.It has rained an hour.
4.The last time I visited my grandparents was 2 months ago.
5.I began studying English 3 years ago.
6.It 's nearly five years since my brother has last seen his best friend.

7.Samuel has kept a diary since 1997.
8.We have learned English for fìve years
9.I have lived in Ho Chi Minh City since I was 8.
10.She started teaching the children in this remote village five months ago

V.

1.famous

2.tourists

3.quiet

4.experience

5.swimming

6.seafood