If we want to a good college，we'd better study hard．（ ）
A．goB．goingC．to go
People now in many big cities have to ___ early to avoid the heavy traffic in the morning．（ ）
A．set outB．put outC．take outD．give out
You are talented young adults ___ are full of hope for the future．（ ）
A．whichB．whenC．whoD．where
___ convenient it is to live in China!
Yes， we've got WeChat， shared bikes， Alipay， etc．（ ）
A．What aB．WhatC．How aD．How
___ I swim here？
I'm sorry． Children ___ swim alone here． It's very dangerous．（ ）
A．Must； can'tB．May； must
C．Can； mustn'tD．Can't； can
I could ___ control my feelings at the moment． The song brought back so many childhood memories．（ ）
A．hardlyB．reallyC．clearlyD．nearly