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

Drug taking and gambling affect all_________of familylife.We should stay away from them since young.

Health problems are closely connected with bad eating habits and a ________of exercise.

I will go to visit the China Space Museum tomorrow. — _________

When did you last hear _____ Jay? —He phoned me this morning, and we agreed____ a time and place to meet.

The science teacher told us the light faster than the sound.