It was quiet ________ those big trucks started coming through the town. A. when B. before C. afterD.if3. When B. Whenever C. Once D. Even if 5. I recognized you ________ I saw you at the airport.
常与一般过去时连用的时间状语有:yesterday;昨天just nowthe day before yesterday;⋯刚才三.巧记 chant动词一般过去时,表示过去发生事;be 用 was 或用 were, have,has变had;谓语动词过去式,过去时间坐标志;一般动词加 ed ,若是特殊得硬记。 three days ago )Last ⋯⋯ 上一个⋯(例如:上周星期天last Sunday )in 1990在1990年(in+过去时间)如果谓语之前有 did ,谓语动词需还原;动词若是 was