--- What do you think of the math problem ? --- It’s very hard and nobody has _______.
#57830
A
put it out
B
helped it out
C
worked it out
D
solve
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The artist         all of her money to charities         the victims of Yaan.
#55044
A
gave off, to help
B
gave up, helping
C
gave away, to help
D
gave, helping
—Peter, what if your parents go out? —They ask me to _______ myself. 
#63637
A
look after
B
look up
C
look for
D
look through
.—The dark blue jeans must be smart_______ me. Can I __________?—OK, please.
#56509
A
in, try them on 
B
in, try on them
C
on, try them on
D
on, try on them