问题

Someone is knocking at the door. It _______ my mother. It’s time for her to be back.

A:That; for
B:It; for
C:This; of
D:It; of;

正确答案是：

同类题型

This non-governmental organization launched the animal rights movement, appealing to people to all products tested on animals.

are solid reasons for China to claim ownershipof the Diaoyu Islands, which lie about 200 miles theeastern coast of our country

– He is thirty-two.

What’s wrong with my stomach?—There is nothing serious; you can __________.

I, not you , _____ in the wrong. Not I but he _____been invited .