人教版高中英語必修二unit3computersgrammar學案(完整版)
【正文】 hasn’t been painted D. hadn’t been painted long_____ at this jobs? Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you be employed changes__ in the city, and a lot of factories__. A. have been taken place。 have set up D. were taken place。 【 學習重點，難點 】 現(xiàn)在完成時的被動語態(tài)的構(gòu)成及應用。 were set up
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