1 She must be sleeping.(改为否定句)
问题描述:
1 She must be sleeping.(改为否定句)
2 We have three maths classes on Wednesday.(改为一般疑问句)
3 Betty has never visiter Palace..(改为一般疑问句)
4 I was listening to the music as thme..(改为一般疑问句)
5 I had breakfast.David arrived at my house.(用when连接两个句子)
6 Helen had supper.Helen went to bed.(用after连接两个句子)
答
she mustn't be sleeping
Do we have three maths classes on Wednesday
Has Betty never visite Palace?
was I listening to the music as
I had breakfast when David arrived at my house
Helen went to bed after she had supper