【正文】
till, lately 等 : He has already obtained a scholarship. I haven39。ve stayed here for three weeks. 我們在這里呆了三個星期了。 后者表示某人 “ 去過某地,現(xiàn)在已經回來了 ” , 常與 ever等連用 可用于各人稱: She has gone to England. 她到英國去了。 have tried C. has made 。 did see B. Did see did watch C. Have seen have seen D. Did see have seen ____ me waiting for two hours. I ____ for you since five. A. Kept waited B. have kept waited C. Kept have waited D. have kept have waited ______ John _______ ? To the library. He _________ there for an hour. A. Has been has gone B. Has gone has been C. Did go went D. Did be went