题目内容
______ we have enough evidence (证据), we can't win the case.
| A．Once | B．As long as | C．Unless | D．Since |
C
解析试题分析：考查连词。A一旦；B只要；C除非；D自从。句意：除非我们有足够的证据，否则我们不能赢得这个案件。故C正确。
考点：考查连词
In some places women are expected to earn money ________ men work at home and raise their children.
| A．but | B．while | C．because | D．though |
Tom is an honest man; I say it,_________ I have been against him.
| A．even though | B．as long as | C．as if | D．and yet |
______ we have confidence and determination, we can win the match.
| A．Once | B．Since | C．Unless | D．As long as |
You should wear a shirt with long sleeves _______ you get burnt in the sun.
| A．in case | B．so that | C．although | D．because |
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| A． Every time | B．First time | C．For the first time | D．At the time |
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| A．when | B．while | C．after | D．before |
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| A．what | B．when | C．that | D．how |
I was walking along the road _____ someone patted me on the shoulder from behind.
| A．while | B．immediately | C．when | D．the moment |