1. B where I came from ( câu gián tiếp với thể nghi vấn 

- S1+ asked (sb) / wanted to know.. / wondered+ if/ whether/Wh- +V ( lùi thì) + O

2. D where she would ( câu gián tiếp với thể nghi vấn 

- S1+ asked (sb) / wanted to know.. / wondered+ if/ whether/Wh- +V ( lùi thì) + O

3. B ( yesterday=> the previous day/ the day before)

4. B ( câu gián tiếp với thể nghi vấn 

- S1+ asked (sb) / wanted to know.. + if/ whether/Wh- +V ( lùi thì) + O

5. C ( câu gián tiếp với thể nghi vấn 

- S1+ asked (sb) / wanted to know/ wondered + if/ whether/Wh- +V ( lùi thì) + O

6. A please open ( làm ơn mở)

7. C where I lived ( câu gián tiếp với thể nghi vấn 

- S1+ asked (sb) / wanted to know.. + if/ whether/Wh- +V ( lùi thì) + O

8. B that he did not understand what she had said ( " I don't understand what you have said" he said to Mary)

9. C if ( câu gián tiếp với thể nghi vấn 

- S1+ asked (sb) / wanted to know.. + if/ whether/Wh- +V ( lùi thì) + O

1 B 
 S1+ asked (sb) / wanted to know / wondered+ if/ whether/Wh +V+ O

2 D

S1+ asked (sb) / wanted to know / wondered+ if/ whether/Wh +V+ O

3 B 

Yesterday⇒ the previous day/ the day before

4 B
 S1+ asked (sb) / wanted to know + if/ whether/Wh+V+ O

5 C
 S1+ asked (sb) / wanted to know/ wondered + if/ whether/Wh +V + O

6 A

⇒làm ơn 

7 C
S1+ asked (sb) / wanted to know+ if/ whether/Wh +V + O

8 B 

⇒" I do not understand what you have said" he said to Mary

9 C
 S1+ asked (sb) / wanted to know+ if/ whether/Wh +V + O