题目内容

Tom is so independent that he never asks his parents’ opinion____ he wants their support.

A. since
B. once
C. unless
D. after

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The workers were not better organized, otherwise they ____ the task in half the time.

A. accomplished
B. had accomplished
C. would accomplish
D. would have accomplished

A dog’s eating habit requires regular training before it is____ established.

A. properly
B. widely
C. originally
D. temporarily

Kate heard a man’s voice in the background, but she couldn’t____ what he was saying.

A. set aside
B. take back
C. make out
D. keep off

Their child is at the stage ____ she can say individual words but not full sentences.

A. why
B. where
C. which
D. what

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