Studies show that sunshine, fresh air, and plenty of rest often _______ a person’s recovery from sickness．
A．arrest B．accelerate C．betray D．condemn
He has little acquaintance _______ music , while he has a wide knowledge ____ painting．
A． with ; of B． of ; about C． with ; about D．of ; of
He insisted what he did _______ right and that anyone who broke laws ________．
A．was ; be punished B． be ; was punished
C．was; was punished D．be ; be punished
It’s uncertain _______ side effect the medicine will bring about , although about two thousand patients have taken it ．
A．that B． what C． how D． whether
--Sorry, I have to _________ now． It is time for class．
--- OK, I’ll call back later．
A． hang up B．break up C．give up D． hold up
Written in a hurry , _____________． Which one of the following is right ?
A．they found many mistakes in the report B．Sam made lots of mistakes in the report
C．there are plenty of mistakes in the report D．the report is full of mistakes
