The professor requested that all the students _______ the reports at once.
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A
would hand in
B
hand in
C
handed in
D
handing in
推荐题目
Children in school are ______into different levels of grades，according to how much they know.
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A
combined
B
classified
C
listed
D
clarified
.You can’t see through the telescope until it ______ to your eyes.
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A
contributed
B
guaranteed good
C
is similar
D
is adjusted to
What she went through those years ________ the best in her,such as patience and will power．
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A
brought up
B
brought out
C
brought about
D
brought down
I make most of my money by writing books but I do __________ magazines sometimes.
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A
refer to
B
see to
C
contribute to
D
add to