三级B 2018.12The company can now focus its attention ________ developing its latest car model.
A. in
B. with
C. at
D. on
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三级B 2018.12If Mary had ________ the situation to Tom, he would have understood it.
A. supplied
B. explained
C. charged
D. thrown
三级B 2018.12I’m pleased to receive your letter of April 10th,________ for our catalogue and price-list.
A. ask
B. asked
C. to ask
D. asking
三级B 2018.12__________ your trip is short or long, we can work out a schedule for you.
A. Whether
B. What
C. How
D. Which
三级B 2018.12The project team ________ people from different departments of the company.
A. falls into
B. brings about
C. consists of
D. results from