单项选择题

Hardly ______ the audience started applauding.

A) had Prof. Smith finished his speech when
B) Prof. Smith had finished his speech when
C) had Prof. Smith finished his speech than
D) Prof. Smith had finished his speech than

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单项选择题

A. Third of them. B. Only two of them. C. They are Tom and Joe. D. Two pairs of glasses.

A. Third of them.
B. Only two of them.
C. They are Tom and Joe.
D. Two pairs of glasses.

单项选择题

A) Tom has never used a computer. B) Tom can work better without a computer. C) Tom is working with a computer, D) Tom needs a computer for his homework.