After living in Paris for 40 years, he returned to the small town _____ he had grown up as a child.
A. which
B. where
C. that
D. when
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More than two substances are ____ in this chemical reaction.
A. happened
B. participated
C. involved
D. included
When he writes, he always keeps a dictionay _____.
A. out of hand
B. by hand
C. in hand
D. at hand
You'd better get a doctor _____ out your bad tooth.
A. pull
B. to pull
C. pulled
D. pulling
____ information is very important to businessmen.
A. Collect
B. Collectd
Collecting
D. To be collected
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