Every day I spend two hours ______ my homework.
#49479
A
finishingtodo
B
finishingdoing
C
tofinishtodo
D
tofinishdoing
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It’s important __________ fire.
#50876
A
to care
B
be careful
C
to be careful
D
to be careful with
Thank you for______us,Mr Li 
#49958
A
help
B
helps
C
helping
D
helped
The policeman told the children _____play in the street.
#48603
A
didn‘t
B
to not
C
not to
D
don‘t