Three trees can do the job of 15air-conditioners _________ almost all day.
#48595
A
run
B
are running
C
ran
D
running
推荐题目
---- Dad , why should I stop ____ computer games ?----- For your health , my boy , I’m afraid you _______ .
#49342
A
to play; must
B
playing; have to
C
to play ; can
D
playing ; may
Don’t throw away the waste paper. It needs so that it can be reused.
#49285
A
to destroy
B
destroying
C
to collect
D
collecting
