The story is moving, and the questions, I suppose, are not so difficult as they appear ______.
#91432
A
to answer
B
to be answered
C
answering
D
being answered
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Do tell me the way you think of ______ the problem as soon as possible.
#97358
A
to solve
B
solving
C
solve
D
being solved
It’s important for the figures       regularly .
#93968
A
to be updated
B
to have been updated
C
to update
D
to have updated