问题

It is said that many kids are worried about the year 2012, ____they think the earth will be destroyedby disasters [ ]

A: when
B: where
C: as
D: which

正确答案是：

同类题型

Don’t worry ,she is accustomed to _____ like that.

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I fixed my eyes upon the newcomer, wondering whether I ________ him somewhere before

When will Uncle Sam come to see us—He’ll see us this weekend. He _________ me by email.