.I won’t call you, __________ something unexpected happens. A．unlessB．whetherC．b
题型：不详难度：来源：
.I won’t call you, __________ something unexpected happens. | A．unless | B．whether | | C．because | D．while |
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答案
| A。 |
解析
| unless的意思是“除非”，又如：Don’t call me unless you need help. 除非你需要帮助否则别打电话找我。Unless you change your mind, I won’t be able to help you. 除非你改变你的想法，否则我不能帮助你。 |
举一反三
.__________ he had not hurt his leg, John would have won the race. | A．If | B．Since | | C．Though | D．When |
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. It is difficult for us to learn a lesson in life __________ we’ve actually had that lesson. | A．until | B．after | | C．since | D．when |
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.Many of them turned a deaf ear to his advice, __________ they knew it to be valuable. | A．as if | B．now that | | C．even though | D．so that |
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.—Do you have a minute? I’ve got something to tell you.
—Ok, _________ you make it short. | A．now that | B．if only | | C．so long as | D．every time |
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.—Did you return Fred’s call?
—I didn’t need to _________ I’ll see him tomorrow. | A．though | B．unless | | C．when | D．because |
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