问题

Microblog is a platform ________ people can express their thoughts and communicate with each other by sending posts.

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

正确答案是：

同类题型

Someone has broken the coffee cup!—Well, it ______ me

I only know we will have a League meeting, but I have no idea when _________ it

Bill opened the door to Harold and ________ him with cries of welcome. [ ]

The project to developing the economy and reducing poverty when it is completed.

Looking back on the three – year life in the mountain village, Thomas it as a milestone in his personal development