At first, people raised dogs to help them hunt and to warn them when danger _____. Today, cats and dogs are kept largely as pets.

A. takes up

B. builds up

C. conjures up

D. opens up

A. Sorry, the number is engaged. Will you hold?

B. Yes, speaking.

C. Hello. Who're you please?

D. Hello. Thank you for calling.

A. That's all right, I'm pleased to meet you.

B. As you are our important guest.

C. I'm pleased to be at your service.

D. It's no trouble at all.

A. Help please. Could you tell me where the post office is?

B. Sorry, where is the post office, please?

C. Trouble you. Could you please tell me where the post office is?

D. Excuse me. Do you know where the post office is?

A.You may come 10 o'clock Thursday morning if you like.

B.Dr. Brooks can see you in about 15 minutes.

C.Thank you very much for calling.

D.Is 10 o'clock Thursday morning fine with you?

A. What size，please?

B. It's 34 RMB，please.

C. Help yourself，please.

D. Cash or charge?

A.Well，no，but my friend is in the washroom now.

B.No. I'm afraid you must go and find another seat.

C.Of course，take it easy.

D.Yes，please sit down.

A. to

B. would

C. must

D. should

A. oversee

B. overtake

C. overrun

D. override

A. scale

B. rank

C. range

D. Having spoken of