_____ I know the money is safe, I shall not worry about it. [ ]A. Even tho

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_____ I know the money is safe, I shall not worry about it. [ ]
A. Even though
B. Unless
C. As long as
D. While

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举一反三

Don"t be afraid of asking for help _____ it is needed. [ ]
A. unless
B. since
C. although
D. when

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This is an illness that can result in total blindness _____ left untreated. [ ]
A. after
B. if
C. since
D. unless

题型：0107 模拟题难度：| 查看答案

_____ he has made up his mind to do something, nothing will stop him. [ ]
A. Once
B. Before
C. Although
D. As soon as

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It still puzzles today"s scientists _____ some mammals produce their young _____ others lay eggs to produce
their offspring (后代). [ ]
A. that; while
B. what; while
C. that; as
D. what; as

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Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes
to classroom tests. [ ]
A. before
B. since
C. when
D. after

题型：0108 模拟题难度：| 查看答案