单项选择题

—Doctor，I can ’t come to see you next Monday.—_________Come and see me whenever you have time.（）

A.Never mind
B.Come on
C.Go ahead
D.Not at all

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热门试题

单项选择题

A.Celebrities sending photos to Kelley.
B.Celebrities giving advice to students.
C.Kelley and his classes writing to celebrities.
D.Kelley inviting celebrities to his classes.

单项选择题

A flight to other solar systems will be made more possible by（）

A.technological breakthroughs.
B.intemational co-operation.
C.market competition.
D.public pressure.