题目内容

29.The company can now focus its attention_____________developing its latest car model.

A. in
B. with
C. at
D. on

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30.If Mary had the situation to Tom, he would have understood it.

A. supplied
B. explained
C. charged
D. thrown

31. I'm pleased to receive your letter of April 10th,for our catalogue and price-list.

A. ask
B. asked
C. to ask
D. asking

32. _________your trip is short or long, we can work out a schedule for you.

A. Whether
B. What
C. How
D. Which

33.The project teampeople from different departments of the company.

A. falls into
B. brings about
C. consists of
D. results from