单项选择题

Strange things happen to time when you travel because______.

A．no day really has twenty-four hours
B．the earth is divided into time zones
C．time zones are not all the same size
D．no one knows where time zones begin

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热门试题

单项选择题

Size 10 is ______tight for my daughter. Show me a wider pair.

A．very
B．so
C．too
D．quite

单项选择题

She______ have missed the first bus, or she______ be here so early.

A．needn't, shouldn't
B．couldn't can't
C．shouldn't, mayn't
D．mustn't, wouldn't