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you’re there, can you get me some stamps? A. As B. While C. Because D. If [考題5] I ____ along the street looking for a place to park when the accident ____. A. went。 I found his pen after he has left. 在他走后,我找到了他的筆。例如:He hasn’t been home since he graduated. 他畢業(yè)后沒回過家。I have been there many times since the war. 自那次戰(zhàn)爭以來,我曾去該地多次。 ?、?while表示在某一段時間里或在……期間,其所引導(dǎo)的從句的動作是延續(xù)性的,并側(cè)重表示和主句的動作同時發(fā)生。如: I won39?! ?8) till/until引導(dǎo)的時間狀語從句 till和until同義,作直到……時(為止)解,till多用于非正式文體,until多用于句首。s footsteps, they all stopped talking. 當學(xué)生們聽到老師的腳步聲時,他們都停止了講話?! ±纾篢hey have been friends since childhood. 他們從幼時起一直是好朋友。 I ____ until the new secretary arrives. A. just help out B. have just helped out C. am just helping out D. will just help out [答案] C [解析] “I don’t really work here”表明說話人只是臨時前來幫忙,“until the new secretary arrives”表明說話人,工作到新秘書就任為止,本題應(yīng)選用表示“到……為止”(跟主句里肯定形式的表延續(xù)性動作的謂語動詞連用)的until表示這一時間關(guān)系。Before they drive any of the buses, they will have to pass a special test. 在駕駛公共汽車之前,他們必須通過專門測驗。I slipped on the ice as I ran home. 我跑回家時在冰上滑了一跤。當when引導(dǎo)的時間狀語從句的主語與主句主語相同時,往往還可以用“when+分詞”的形式替代該狀語從句。 1. when、as、while引導(dǎo)的時間狀語從句分析: (1) when引導(dǎo)時間狀語從句時表示“當……的時候”,when既可以指時間段也可指時間點,從句中既可用短暫