题目内容
Mount Blanc, _______ we visited last summer, is the highest mountain in Europe.
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There is hardly an environment on earth ________ some species of animal or other has not adapted successfully.
The course normally attracts 20 students every year, ______ up to half will be from overseas.
___________, everyone should handle these delicate instruments with care
It wasn’t such a good dinner _______ she promised us.
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