The maths problem is so difficult that none of them can          .
#57894
A
work out it
B
work it out
C
find out it
D
find it out
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Amy         15 Yuan         the comic book.
#60848
A
pays; on
B
spends ; on
C
costs; for
D
takes; of
 Jim and Kate ______ English.
#63078
A
are good in
B
are good at
C
is good at
D
are good with