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She spent a lot of time _________the fire that day．
#50622
A
to put out
B
putting out
C
to put on
D
putting on
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You can’t put off ______ your homework．You must do it now．
#50525
A
to do
B
do
C
to doing
D
doing
— Miss Yang doesn’t look well. What’s wrong with her?— Oh, she has some trouble ______ her baby well.
#50982
A
take care of
B
looking after
C
taking after
D
to look after
We are waiting for     .
#48912
A
she comes
B
her to come
C
her come
D
he coming
It’s _________ of Amy to make the birthday card than ________ one.
#49412
A
much clever, to buy
B
cleverer, to buy
C
cleverer, buying
D
most clever, buy
 ---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