—You see, I’m poor in physics and you are not good at chemistry, and…… — That’s _______ we should help each other.A. when B where C. how D. what
Miss Han, _________ her two sons, speaks good Chinese. They often talk in Chinese.
Only after the woman had her own child, _____ how difficult it was to be a mother.
----How long are you staying? ----I don’t know. ____
There is no doubt ______ he will not be admitted to the room.
---I know you _____ for Shanghai. When shall I come to pick you up? ---The train _____ at 9:30, so you’d better come here at 8:30.