外研版高中英語必修1module4asocialsurvey-myneighborhoodperiod5word學(xué)案(存儲(chǔ)版)
【正文】 自我檢測(cè)： 1.— What is the price of petrol these days? — Oh, it _____ sharply since last month. A. is raised B. has risen C. has arisen D. is increased 2. His sister left home in 1998, and ______ since. A. had not been heard of B. has not been heard of C. had not heard of D. has not heard of 3. — Why does the lake smell terrible? — Because the water ________. A. have polluted B. is being polluted C. has been polluted D. have been polluted 4. — The window is dirty. — Yes, I know. It ______ for weeks. A. hasn’t cleaned B. didn’t clean C. wasn’t clean ed D. hasn’t been
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