7. I can't understand ________ the boy alone.

A. why she left 　　　　　B. why did she leave

　C. why had she left 　　　　D. why she had left

6. I don’t know when she 　　　　　, but when she 　　　　　, I will let you know.

A. arrive, will arrive　　　　　 B. will arrive, arrives

C. arrives, arrives　　　　　　 D. will arrive, will arrive

5. Do you know 　　　　　best of the three?

A. which book he likes　　　　 B. what book he likes

C. which book doe she like　　 D. what book does he like

4. Andy really didn’t know 　　　　　to help the dying old woman.

　 A. what to do　　　　　　　　 B. how could he do

C. whether he can do　　　　　 D. what can he did

3. Would you please tell me 　　　　?

　 A. if he came back　　　　　　　 B. when did he came back

C. whether would he come back　　 D. when will he come back

2. --- Could you tell me________?　

　 --- It’s a secret.

A .where do you live 　　　　 B. who you are waiting for　

C. who were you waiting for　 　D. where you live in

1. He said _____　everyone was here except Lin Feng．

A．that 　 B．what 　 C．when 　 D．where

12. Jim asked Lucy 　　　　　feed their cat.

　 A. doesn’t forget to　 B. didn’t forget to 　C. not to forget to　 D. to forget to　

11. --- Could you tell me 　　　　?　　 --- At about ten.

　 A. what time did your father arrive home　

　B. what time does your father arrive home

C. when your father arrived home　　　　　 D. when your arrives home

10. --- Have you decided 　　　　　for Canada?　　 --- Not yet.

　 A. when will you leave　　　　　 B. when you will leave

C. when are you leaving　　　　 D. when you leaving