It’s time for class. Mr.King asked all the children______down quietly.
#48926
A
sit
B
to sit
C
sat
D
sitting
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--- It’s too hot. Would you mind _____ the door?  --- ______. Please do it now. 
#50610
A
to open ; OK
B
to open ; Good idea
C
opening ; Of course
D
opening ; Certainly not
 Most Chinese students hope ________ homework. If so, they can have much ______time for their hobbies.
#49076
A
to have an hour of; more
B
to have an hour for; most
C
having an hour of; more
D
to have an hour to do; most
We should wear special boots __________ us floating away into the space .
#48510
A
to prevent
B
preventing
C
prevent
D
prevented
I have to work hard _____ the test. 
#50128
A
pass
B
to pass
C
for pass
D
passing