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On the way to the post office, I heard some children ________the English song.
#48666
A
sang
B
to sing
C
singing
D
sings
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 I find it very hard ____ the question.
#50008
A
to answer
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answers
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answering
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answered
When the teacher came in, he saw some boys _______ behind Daniel, _______ the computer games.
#50360
A
sit, watching
B
sitting, watching
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Something is wrong with my computer. It needs       .
#48489
A
mending
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to mend
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is mending
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learns
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learning
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Mom makes me eat an apple a day      the doctor away.
#49304
A
keeps
B
is kept
C
to keep
D
keeping