【正文】
since + 一般過去時句子 常用于現(xiàn)在完成時 came here __ 1992, and he has lived here ___ 1992. A. in, for B. in , since C. since, since have known Li Lei __ over five years. A. in B. since C. for 3. It has been three years since he __ here. A. e B. came C. es 4. The old man has been away ___ two years ago. A. in B. since C. for 4. before 在 …… 之前 by 到 …… 時為止 ,不遲于 …… won’t e back ___ five . B. after work must be finished __ Friday. had three meetings ___ last Friday. C. by 二 .地點介詞 在 …… 的上面 ,與表面接觸 over 在 …… 的正上方 ,不接觸表面 under 在 …… 下面 (是 on,over的反義詞 ) !There is a bridge__the river. B. over you see the egg ___ the plate? light__us is very bright. 2. above 在 …… 上方 below 在 …… 下方 ,是 above的反義詞 1. The temperature will fall__zero at night. there is a loud voice ___ the tree. is a clock on the wall. It’s