问题

Our special thanks go to thousands of volunteers, without ________tireless work, none of this would be possible．

A:whose
B:which
C:whom
D:that

正确答案是：

同类题型

Hurry up! There is___________time left .

I met a friend of mine Iwas walking in the park.

What shocked the world was the fact _____challenger crashed just minutes after take-off. [ ]

Jim still went to school ______ what happened yesterday.

What mobile phones will look like in a year or two is easy to guess—they will be slimmer and probably will let you watch television________.