You should not go rafting __________ you know how to swim, and you should always

题型：河北省期中题难度：来源：

You should not go rafting __________ you know how to swim, and you should always wear
a life jacket. [ ]
A. though
B. unless
C. until
D. if

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举一反三

I don"t want to go _______ I am tired of any party.   [     ]
A. because of
B. in order to
C. because
D. in order that

题型：北京期中题难度：| 查看答案

Her wish is        she could lose weight soon.[     ]
A. which
B. that
C. why
D. /

题型：北京期中题难度：| 查看答案

       I admit that there are problems, I don"t agree that they can"t be solved. [     ]
A. If
B. As
C. While
D. Since

题型：贵州省月考题难度：| 查看答案

Early in his life, he learned to treasure the work of other people he helped his father do the farming. [ ]
A. where
B. what
C. when
D. whom

题型：湖南省月考题难度：| 查看答案

I advise you leave the company as soon as possible you get yourself into trouble. [ ]
A. before
B. until
C. as soon as
D. in that case

题型：湖南省月考题难度：| 查看答案