题目内容

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.

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