题目

下列句子改为否定句
a）I have already read this book four times.
b)He has found his book.
c)I have heard of such things before.
d)My sister has finished her homework.
e)The house has got a good bathroom.

提问时间：2021-03-24

答案

a）I have not yet read this book four times.
b)He has not found his book.
c)I have not heard of such things before.
d)My sister has not finished her homework.
e)The house has not got a good bathroom.