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The teacher wants us_______the classroom.
#50196
A
to clean
B
cleans
C
cleaning
D
clean
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 ---Have you heard of Earth Day? --- Yes, We have only one Earth. We have no choice but ________ it.
#49067
A
protect
B
protected
C
protecting
D
to protect
If you still have a headache, you’d better ________ a doctor
#50490
A
see
B
seeing
C
to see.
D
seen
Be sure ________ and tell me what happens.
#49799
A
writing
B
wrote
C
writes
D
to write
You can’t imagine what difficulty we had________home in the snowstorm.
#50145
A
walked
B
walking
C
to walk
D
walk
He must stop_________ jeans, because they are out of style.
#49056
A
to wear
B
wearing
C
wore
D
wear