赞题库-背景图
单项选择题

Although__________ happened in the Arctic region sounds like fairy tale, it truly exits.

A．it
B．what
C．which
D．that
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热门试题

单项选择题The question is ______ to send troops to take part in the war.

A．if worthwhile it will
B．whether it will be worthwhile
C．whether worthwhile it will be
D．if will be it worthwhile

单项选择题This instrument is ________that one.

A．almost as useful than
B．as almost useful as
C．almost as useful as
D．as useful almost as