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2025-09-01 00:36 本頁面
【文章內(nèi)容簡介】 s since I smoked．A．Yes，I do B．No，I don39。t C．Not too much D．Oh，but I wish I didn39。t2．Since you are busy, you __________ tomorrow. A. don’t need e B. need not e C. needn’t e D. mustn’t e3. Has he been home?______, he _________home since he graduated. A. No。 hasn39。t been B. Yes。 has been C. No。 isn’t D. Yes。 is4．They _________friends since they met in Shanghai. A. haven’t been B. have been C. aren’t D. are5. I_______ here since he left the door open, but it seems that he won’t e back today. A. have been waiting B. will have waited C. was waiting D. waited6. I _________ from him since he has lived here. A. heard B. have heard C. have n
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