问题

They are broadening the bridge to ________ the flow of traffic.[ ]

A:put off
B:speed up
C:turn on
D:work out

正确答案是：

同类题型

Hundredsofdrunkenleft-wingsthrewstone,bricksandbottlesatthepoliceandattemptedtoescape________butfailed. [ ]

My necklace is not the only thing______is missing.

____ is known to us all is that the old worker, for _____ life was hard in the past, still works hard in his seventies.

Our monitor Jack is good at all the subjects, but he never ________.— What a modest student!

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