It is very kind _____ you to give me some help.
A. for
B. of
C. to
D. about
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I have some questions _______.
A. for asking
B. asking
C. to ask
D. ask
I did nothing but______ (wait) for you.
A. to wait
B. waited
C. waiting
D. wait
She asked __________to work in Tibet .
A. to be sent
B. to send
C. sent
D. send
The girl seems _________ (be) unhappy.
A. be
B. to be
C. being
D. been