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It is necessary for us________ good habits in our daily life.
#50502
A
keep
B
to keep
C
keeping
D
kept
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It was difficult for the rich _____ a happy life.
#48476
A
to have
B
having
C
had
D
have
The old man is too tired _________ go any further.
#50596
A
enough
B
can’t
C
to
D
so
--Thanks a lot for ________me with my English. -- You are welcome.
#49999
A
help
B
helps
C
helping
D
helped
Could you please not ____________ here?
#50841
A
smoking
B
smoke
C
to smoke
D
smoked
—Dad, why must I stop           computer games?—For your health, my boy.
#49244
A
play
B
to play
C
to playing
D
playing