2 He asked me if I were free today

3 My father asked me if I went to school this morning 

4 The boy asked Nga if she could speak English

5 The man asked Binh if he was going to school

6 The woman asked me if Phong Nha cave was in Quang Binh

7 Mary asked us if Han River was in Da Nang city

8 She asked him if his mother worked on the farm

9 The girl asked the boy if he would leave here tomorrow

10 The foreigner asked me if there was a post office near here

IV.1 to work

2 living

3 cooking ironing

4 to stand

5 to go

6 to go

7 to turn

8 eating

9 smoking

10 to make

VII.1 of

2 in

3 for

4 for

5 for

6 for