He is an (experienced) businessman; he has (engaging) in foreign (trade) for a few (years).
A. experienced
B. engaging
C. trade
D. years
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I"d like to make an appointment with Dr. Smith.
(It) took fifteen minutes for her (realize) that she (had spelled) my name (incorrectly).
A. It
B. realize
C. had spelled
D. incorrectly
(It) was (so) a long journey (that) we felt very tired (when) we arrived.
A. It
B. so
C. that
D. when