I didn't see Lucy at the party last night. Do you know_______?

A. why didn't she come　　 B. what happened

C. when would she arrive 　 D. where she has been

－Hi,Bruce.Here"s a letter for you.

－Thanks. I wonder                .

A.who that letter was from   B.who was from that letter　　

C.who was that letter from    D.who from that letter was

—Could you tell me _______ ?

—I’m not sure.

A.how many people have been out of hospital

B.when is Thanksgiving Day

C.which animal does he like best

D.what time will the dolphin show start

---Is Tom still in New York or already back at home?

---I’m not sure __________. I’ll call to make sure.

A. how he will be back　　 B. that he has come back

C. why he has come back D. if he has been back

Everyone can play an important part in society. As members, we should try our best to do_____.

A.what we should do   B.what should we do   C.how we should do  D.how should we do

 The math problem is so hard. I really don’t know_____.

         A. how to do it         B. how to do          C. what to do it

—Could you tell me________________?

—Yes, you can go there by bus.

A. how can I get to the Miao King City B. where is the Miao King City

C. how I can get to the Miao King City D. where the Miao King City is

I think _____ not difficult _____ English every morning．

A. that; keep reading   B．it’s; keep reading

C. that; to keep reading    D．it; to keep reading

—Excuse me, could you tell me ______ to get the post office?

—Certainly. The No. 15 bus.

A. which bus I should take     B. I should take which bus 

C. should I take which bus     D. which bus should I take

— Could you tell me ?

— Certainly. In half an hour.

A. when will the high speed train arrive

B. when the high speed train will arrive

C. when would the high speed train arrive

D. when the high speed train would arrive