Mrs．White，can I leave my homework for tomorrow？
I'm afraid not．Don't ___________what you can do today till tomorrow．（ ）
A．put offB．get offC．take off
Yao Ming， a basketball giant ， ___________ water polo when he was young．（ ）
A．is playingB．used to play
C．is used to playingD．was playing
When I think of the worried _______ of foreign students who are learning Chinese， I can go to study English calmly．（ ）
A．looksB．designsC．effortsD．needs
One of the hosts of The Point named Liu Xin graduated from our school， didn't she？
____________ My English teacher taught her before．（ ）
A．Yes， she was．B．No， she wasn't．
C．Yes， she did．D．No， she didn't．
Is your WeChat account （账户） safe？
Yes， even my father can't use it __________ I tell him the password．（ ）
A．whenB．unlessC．whileD．if
The drama series The Thunder （破冰行动） hits screens these days．
Oh． What a pity! I ____________ any of them yet，（ ）
A．doesn't watchB．didn't watch
C．won't watchD．haven't watched