单项选择题

They ()in spite of the extremely difficult conditions.

A. carried forward
B. carried out
C. carried on
D. carried off

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单项选择题
The mountains also prove to be a tourist attraction as some of the mountains experience alpine (高山的) conditions, () leads to ski resorts.

A. who
B. which
C. it
D. that
单项选择题
You and I shall get a () holiday of two or three weeks.

A. respectful
B. respectable
C. respective
D. respecting
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