In the lecture room ___ many students reading their books (sit)为什么用SAT而不用SITTING 如果用SEAT用什么行首呢
问题描述：
In the lecture room ___ many students reading their books (sit)
为什么用SAT而不用SITTING
如果用SEAT用什么行首呢
答
In the lecture room 地点状语放句首句子全倒装，sit在这里是谓语动词
正常语序应该是 many students sat in the lecture room reading their books.
seat 表示就座、落座，seat oneself ,sb.be seated
答
satsat 作谓语,这是个倒装句正常语序是：Many students 【sat】in the lecture room reading their books=Many students 【were seated】in the lecture room reading their bookssitting 是个分词,非谓语动词,不能...