I did nothing but______ (wait) for you.
A. to wait
B. waited
C. waiting
D. wait
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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
I have a large house to________ .
A. live
B. lived
C. live in
D. living
It is too late______ it.
A. to do
B. do
C. did
D. done