怎么改完成时：1 He is sleeping in the bedroom. 2 He went to the city to buy a pieceof furniture.

怎么改完成时：1 He is sleeping in the bedroom. 2 He went to the city to buy a pieceof furniture.

He has been asleep in the bedroom.
如果改成He has been sleeping in the bedroom.就是现在完成进行时了，表示从过去某个时间一直持续到现在正在进行的动作且对现在产生影响。
He had gone to the city to buy a piece of furniture.
如果把 had gone 变成had been的话，就表示去了已经回来了。这因题而定。

He has been sleeping in the bedroom. He had went to the city to buy a pieceof furniture

1.He has been sleeping in the bedroom 2.He had gone to the city to buy a pieceof furniture.

正确答案是b，that。 分析：这个一个强调句，it is .....that(who)句型的考查。 选which 是因为以为这个一个定语从句，以为which引导的是修饰bedroom的定语，但其实不是。如果是定语的话，应该是这样：she was sleeping in her bedroom which a thief broke into ，后面就没有the house 啦！ the house 和 bedroom重复了 这个句子的原型是： a thief broke into the house while she was sleeping in her bedroom （把 it is ..that 去掉，剩下的仍然是一个完整的句子） ，为了强调小偷进去的时间，所以把while she was sleeping in her bedroom 放在it is 和that 的中间。

1.He has been asleep in the bedroom. 2.He had gone to the city to buy a piece of furniture.