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1. You won’t pass your exams unless you study hard.2. We’ll play outside this afternoon unless it rains.3. If he doesn’t e in the next time minutes, I’m leaving.4. Leave without me unless I phone.5. You can’t send a letter unless you know the address.6. You can’t go in if you’re not a member.7. Don’t include them if they don’t reply.答案:1. You won’t pass your exams if you don’t study hard.2. We’ll play outside this afternoon if it doesn’t rains.3. Unless he es in the next time minutes, I’m leaving.4. Leave without me if I don’t phone.5. You can’t send a letter if you don’t know the address.6. You can’t go in unless you are a member.7. Don’t include them unless they reply.有所給詞的適當形式填空。t be afraid of asking for help ____ it is needed. A. unless B. since C. although D. when 13. I would appreciate it ____ you call back this afternoon for the doctor39。But for your help, we should not have finished in ,我們肯定不能及時完成任務。但有些句子,雖沒有含條件關系的連詞,卻也隱含著條件關系,這些句子常用一些詞,如but for, without等引出一個介詞結構來表示條件,條件常常是虛擬的,或與事實相反的假設。t be against us in the meeting provided that we ask for his advice in ,他就不會在會上反對我們?! e will sign the contract provided we offer more favorable ,他就會在合同上簽字?! ?. supposing ,假如 supposing引導的條件從句表示一種假設條件。 You can go swimming on condition (that) you don39?! ?. on condition(that)...在……條件下,如果 on condition (that)...引導的條件從句是主句事件發(fā)生的前提條件或唯一條件。 1. unless ,若不,除非在……的時候 You wil