题目内容

Well, if you care about your marriage, you should ______ before following that advice.

A. think two times
B. think twice
C. think about
D. think of

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You shouldn’t be out ______ at this time of night.

A. by your own
B. of your own
C. on your own
D. to your own

_____ that there would be a traffic jam, I started earlier than usual.

A. To think
B. Thought
C. It was thought
D. Thinking

John watched the children ______ sandcastles.

A. built
B. build
C. to build
D. being built

I don’t ______ the document.

A. recall seeing
B. recall to see
C. recall to be seen
D. recall to have seen

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