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I think it’s important ______ healthy.               
#50995
A
keep
B
keeping
C
keeps
D
to keep
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 How happy we were        each other ！
#49780
A
to see
B
seeing
C
saw
D
have seen
My  teacher asked her       late for school again.
#49557
A
not to be
B
not be
C
don’t be
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.Your son has kept _________ for two hours. You’d better ask him to have a rest.
#51260
A
study
B
studied
C
to study
D
studying
The doctor did what he could __________ the dying man.
#50094
A
save
B
to save
C
saved
D
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He is too tired ______ any more.
#49815
A
not to walk
B
to walk
C
walking
D
not walking