VI

1 My brother said that he wanted to be a pilot.

2 Because the weather was bad, many trees died.

4 Life on another planet might be found.

VII 

1 Although his life is very hard, he studied very well.

2 The weather was terrible, so we couldn't go to the beach.

3 The book which he bought at the bookstore is vey expensive.

4 Do you like orange juice or apple juice?

VIII

1 Because it's an occasion for every Vietnamese to have a good time while thinking about the last year and the next year.

2 yes, they are.

3 Children are received lucky money wrapped in a red tiny envelop.

4 Children often behave well

IX

1 goes

2 arrived

4 am learning

5 cooking

6 held

7 are

8 could

X

2 on

3 don't

4 what

5 since

6 interesting

7 celebration

8 although

XI

1 as

2 because

3 from

4 which

5 of

6 them