This kind of CD-ROM is very popular. Why not buy one before it________ ?
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A
comes out
B
is come out
C
sells out
D
is sold out
推荐题目
Too much homework  can make us _______ or sad.
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A
to feel stress
B
feel stress
C
to feel stressed
D
feel stressed
---How long may I ____ your dictionary?   ---For one week. But it mustn’t ______ to others.
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A
keep, be lent
B
borrow, lend
C
lend, be borrowed
D
have, borrow
I___________ some clothes to charity because they are too small for me.
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A
take after
B
hang out
C
give away
D
put off
The boy ____ his homework after school every day.
#53976
A
do
B
doing
C
does
D
is doing