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— What shall we do tomorrow? — How about              trees?
#48550
A
planting
B
to plant
C
plant
D
planted
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推荐题目
It’s time________ lessons. But Lily isn’t in the classroom.
#49614
A
to
B
for have
C
have
D
to have
Workers can’t be made ________ for twelve hours a day.
#51120
A
work
B
to work
C
working
D
worked
Do you have a pen?I want _____ a letter.   
#48775
A
to write
B
to work
C
writing
D
working
The little boy was last seen __________ football by the river.
#48508
A
to play
B
play
C
played
D
playing
I always tell my students _________ on the road because it’s really dangerous.
#49248
A
not to play
B
to play not
C
not playing
D
not play