题目内容

How much does it _____ to take the online training course?(201912)

A. cost
B. give
C. pay
D. spend

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If you need more information, please contact us _____ telephone or email.(201912)

A. in
B. by
C. on
D. for

Mr. Smith used to smoke _____ but he has given it up recently.(201912)

A. immediately
B. roughly
C. heavily
D. completely

He was speaking so fast _____ we could hardly follow him.(201912)

A. what
B. as
C. but
D. that

Please call me back _____ you see this message.(201912)

A. as well as
B. as early as
C. as far as
D. as soon as