As (usually), when his parents (don"t) like what he (wears), they start to (bug) him.
A. usually
B. don"t
C. wears
D. bug
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(No) one (knows) (that) the experiment will succeed (or not).
A. No
B. knows
C. that
D. or not
A typical English gentleman often takes an umbrella with him.
He is an (experienced) businessman; he has (engaging) in foreign (trade) for a few (years).
A. experienced
B. engaging
C. trade
D. years
I"d like to make an appointment with Dr. Smith.