1.He pretended __________ when his mother stepped into his room.A.to study B.studying C.to be studying D.to have studied★为什么不选A而选C?2.The old house,where I lived about five years ago and that I visited,had a garden.★that I visited能

Rewrite the following sentences without changing the meaning.When the teacher came in,the boy pretended that he was reading.When the teacher came in,the boy pretended ____ _____ ____. 同义句改写：He pretended that he didn't know the answerHe pretended ____ ____ know the answer 1.He pretended (not to) know me.这里为什么要用pretended to do sth.而不用pretended doing sth.2.We heard (her singing) in the room yesterday.这里的sing为什么要加ing?第二个问题我弄明白了，第一个问题是为什么？ He _____ see me in the street yesterday.a.seemed not to b.looked as if c.pretended not to d.seemed as if为什么选C,其他错在哪? 是不是病句?he pretended that he didn't know her when she passed him He pretended that he did not know the man.改同义句 一到英语题（短文填空）One day when I was drinking at a bar,I saw a man watching a woman very carefully.The woman was very beautiful but she looked very _____.Suddenly I found the man _____ up and walking to _____.He pretended to look for _ 单句改错 I pretended to reading the text when he came in He pretended to be sleeping when I came in．(to be sleeping ） The naught boy pretended ________ (read) when he saw his mother coming. He pretended to be reading a book 中为什么用be reading Tom pretended _______(finish) his homework.In fact,he didn't. When we talked about the computer,he pretended to be an expert.翻译 When I said hello to him,he pretended not (recognize) me at first. I couldn’t understand why he pretended _________ in the bookstore He _____ see me in the street yesterday.a.seemed not to b.pretended not to选B A里的seem这种用法是后面跟不定式,相当于He didn't seem to see.语法是正确的应该,可为什么不能选呢? When I came into the room,he pretended ________ asleep．A.being B.be C.to be D./ When his mother came home,he pretended( )soundA .sleepingB .to sleepC .to have sleptD .to be sleeping