Unit 11. His grandmother _ for more than ten years.A. died B. has been dead C. dies D. has died2.She left home two days ago. (改为现在完成时)She has home for two days.3She_ English for 3 yearsAstudied Bstudies Chas studied Dis studied4Mr Zhang _ in Beijing since 1990.Awork Bworks Cworked Dhas worked用所给词的适当形式填空.1 Have you_ (see) my pen ? I _(put) it on the sh