－Obama will go and visit Africa next month．

－Is there any ________ that he will go? He is so busy with American own affairs．

A．decision

B．possible

C．necessary

D．possibility

－Mary I smoke here?

－If you ________ , choose a seat in the smoking section．

A．should

B．could

C．must

D．may

－Haven't I told you that you should be home earlier?

－Yes, but I ________ home earlier than I usually do．

A．was coming

B．will come

C．came

D．had come

－If you break the rules again, you are sure to be punished．

－________ ? I don't care．

A．What if

B．How come

C．What for

D．So what

－Do you think an advertisement is a help when you look for a job?

－Well, it depends．________ , it gives me a chance to try．

A．However

B．Anyway

C．Therefore

D．Though

－Can you lend me an eraser?

－Sorry, I haven't got ________．

A．this

B．it

C．that

D．one

－Do you know the big news that Joan will marry Frank soon?

－Marry Frank? ________ She told me she would keep single．

A．You can't be serious．

B．Good for you．

C．It doesn't make sense．

D．I can't agree with you more．

－Have you seen “Titanic” 3D?

－Not yet．It's said to be ________ worth seeing than the original one．

A．better

B．well

C．more

D．best

－I haven't seen Mary recently．And you?

－Me neither．I'm afraid she ________ to her experiment for too long a time．

A．is devoting

B．was devoted

C．has been devoting

D．has been devoted

－Why do you think David is the suitable person for the job?

－Because he has higher ambitions ________ others have already been satisfied．

A．in where

B．in which

C．the place where

D．where