单项选择题

We are sure that scientists will () a way to solve the difficult problem.

A. put up
B. come up with
C. look up
D. come up

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单项选择题
—After reading the story about Jin Jing, I was very —()She’s really brave.

A. relaxed; So was I
B. impressing; So did I
C. impressed; So was I
D. relaxing; So I did
单项选择题
I’ve found some pictures of the most interesting places () you can visit during the winter holidays.

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