Don’t make the students _______ this or that . They are busy.
#48847
A
to do
B
do
C
doing
D
done
推荐题目
There are some boys ________ in the river.
#51303
A
swimming
B
to swim
C
are swimming
D
is swimming
Don’t forget ________ an umbrella. It’s going to rain.
#50855
A
to take
B
to bring
C
taking
D
bringing
—You forgot______ off the lights?   It’s still on.—But I remember _______them off before I went out of the room.
#49390
A
turning; to turn
B
to turn; turning
C
turning ; turning
D
to turn; to turn