Half of the class       done most of the work. The rest       rather difficult.
#50810
A
has, is
B
have, are
C
have, is
D
has, are
推荐题目
What difficulty I had _____ the dirty walls! I had no choice but to have it ____ again.
#48673
A
clean, paint
B
cleaning, painting
C
cleaned, to paint
D
cleaning, painted
I just finished  ________my last movie yesterday.
#50798
A
make .
B
made.
C
to make.
D
making.
It’s time for class. So stop ________, please.
#49374
A
to talk
B
talking
C
talk
D
talked