－Where is Bob? I cannot find him anywhere．

－He _________ have been off long．I heard him make a call just now．

A．shouldn’t

B．can’t

C．mustn’t

D．needn’t

－Thank you very much for everything．You've been so helpful ________．

－________．Just let me know if there is anything else I can do for you．

A．With pleasure

B．The pleasure is mine．

C．Please don't say so

D．No, thanks

－I'm going to order chicken and salad．What about you?

－________．I'll have the same．

A．I'm afraid not

B．It's up to you

C．That sounds good to me．

D．That depends

－More than thirty students competed _________ each other in the composition competition．

－But they could only compete _________ three medals．

A．against; with．

B．against; on．

C．with; for．

D．on; for．

－Have you moved in the new house?

－Not yet, the rooms _________．

A．are being painted

B．are painting

C．are painted

D．are being painting

－You used to live in the city, _________ you?

－Yes, but so far I’ve already get used to _________ in the countryside．

A．didn’t; live

B．didn’t; living

C．did; live

D．did; living

－Can you read the sign, sir? No smoking allowed in the waiting room!

－________．

A．Pardon me

B．Forget it

C．Don’t mention it

D．Sure, I don’t smoke

－Betty went to consult a doctor without asking for a leave yesterday．

－How come? But she ________．

A．should do

B．must have

C．might have

D．ought to have

－Alice, did your editor make a phone call to you again the next day?

－No．It was two weeks ________ he gave me a second call．

A．that

B．when

C．before

D．since

－Have you got ready for your studying plan?

－Yes! I've made it ________．Please give me some suggestions and then I'll make some changes．

A．roughly

B．thoroughly

C．proudly

D．cautiously