改错 11.she has seen the film in 1990 yet.12.each of us have read the text twice.13.i study here for three years.
问题描述：
改错 11.she has seen the film in 1990 yet.12.each of us have read the text twice.
13.i study here for three years.
答
11 in改为since 现在完成时要用since
12 have改为has,我们中的每一个人,谓语动词要用三单形式
13 根据后面的for three years 应该把study改为have been studying
如果你满意我的答案,请点击本页面的“选为满意回答”按钮,