问题

49. You must go there at once because thesituation prompt action.

A:calls for
B:calls back
C:calls at
D:calls on

正确答案是：

同类题型

WOLF is to FLOW as 8526 is to_____________.

nce worked ina remote mountain village school, which is _____ only on foot.

Here _______a few more suggestions I would like to put forward if I may.

Where can I find Jack ——He library.

Then he thought the problem must be his .