Dr. Ma used to            two or three persons in the hospital.
#49403
A
operate on
B
operating on
C
operate for
D
operating for
推荐题目
What would you like ______, tea or coffee?
#50691
A
have
B
drink
C
to drink
D
to eat
Mom makes me eat an apple a day      the doctor away.
#49304
A
keeps
B
is kept
C
to keep
D
keeping
There are so many kinds of pens in the shop ,I can’t decide ______.
#50047
A
when to buy
B
where to buy
C
what to buy
D
which to buy
It’s time for class. So stop ________, please.
#49374
A
to talk
B
talking
C
talk
D
talked