Bob ________ with us together since he came to our school.
A.have workedB.has workedC.workedD.will work
B

試題分析:考查時態(tài)。本題的關(guān)鍵在于since(自從);該連詞一直都是與現(xiàn)在完成時連用的,表示從過去的某個時間開始到現(xiàn)在,所發(fā)生的事情。句意:自從他來到我們學(xué)校到現(xiàn)在,Bob一直都很我們在一起學(xué)習(xí)。故B正確。
點(diǎn)評:時態(tài)題的考查關(guān)鍵是抓住句子的上下文含義和句中的時間狀語。要根據(jù)時間狀語來選擇合適的時態(tài),在平時的學(xué)習(xí)中要注意積累有關(guān)時態(tài)的用法和各種時態(tài)的特殊之處。如since, so far等經(jīng)常與現(xiàn)在完成時連用。在條件狀語從句中用一般現(xiàn)在時代替將來時等等。
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