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–Do you have some trouble ____ the problem? Do you need some help?--No, thank you. I can make it myself.
#50320
A
solve
B
solving
C
to solve
D
solved
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推荐题目
He was mad at ________ in the English exam.
#49621
A
fail
B
dropping
C
failing
D
lose
Xu Qian loves        jokes .
#50848
A
tell
B
tells
C
in tell
D
to tell
—      enjoy Beijing opera with me?— Good idea.
#49579
A
Why don’t
B
What about
C
Why not you
D
Why not
My  teacher asked her       late for school again.
#49557
A
not to be
B
not be
C
don’t be
D
to be not
I never forget the days when I  enjoyed ______ a good time in Beijing.
#49949
A
have
B
to have
C
had
D
having