Professor Thompson is looking forward to ______ in Peking University.
A. giving lectures
B. being giving lectures
C. give lectures
D. having given
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She thought it to be a wise way to ______ some money for her retirement.
A. take off
B. put aside
C. give in
D. set out
Not until I came back home ______ my father-in-law had passed away.
A. I have known
B. did I know
C. have I known
D. I knew
The book I was reading listed the various symptoms ______ a man could tell when his liver was not working properly.
A. by which
B. in which
C. which
D. to which
UN leaders are working hard to find a peaceful ______ to the political problem.
A. reply
B. answer
C. solution
D. Reaction