问题

The fact has worried teachers and parents ________ more and more students have got near-sighted.

A:what
B:which
C:that
D:though;

正确答案是：

同类题型

The hero’s story _____ differently in the newspapers.

In fifteen terrible seconds a large city

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The earthquake which happened inJapan __ March,11th , 2011 was a big disaster().

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