问What is he doing 答he ( ) a book 1.read 2.reads 3.to read 4.is eading
问题描述:
问What is he doing 答he ( ) a book 1.read 2.reads 3.to read 4.is eading
答
选4
问句为现在进行时
答句也要用现在进行时
他在做什么?——他在看书
答
答案选4.is reading
表示正在进行
答
4 is reading
因为问句是进行时,所以答句也用进行时.