1:Now Jim's sister________(read)newspaper
2:He_______________(watch)TV at nine last night.
3:He_______________(watch)TV last night.
4:What____________the twins________(do)then?
5:________Lily________(draw)a cat when the teacher came in?------N哦，she________.
6:_____________________you__________________(have)supper at that time?
7:Jake______________(not read)a book at nine yesterday evening.
8:Now Jim ________________(play)kasketball on the playground.
9:What __________he__________(do)at nine o'clock last night?
10:They __________________(listen)to the music at that time.
11:When the teacher came in,the students___________________(read)the text.
12:We__________________(watch)TV when suddenly thetelephone rang。
13：Her mother ___________（cook）while her father was watching TV.
根据要求改写
Mary was riding a bike at that time.
否定句：
一般疑问句：
两回答：
特殊疑问句：
11题，应该是was reading吧
追答不是，主语是复数（ the students ） ,
is reading
was watching
watched
was doing
was drawing, was
were having
was not reading
is playing
was doing
were listenning
were reading
were watching
was cooking
否： Mary was not riding a bike at that time.
疑问： Was Mary riding a bike at that time?
Yes, she was. / No, she wasn't.
特殊疑问：What was Mary doing at that time?
is reading 2. was watching 3. watched 4. were doing 5. Was ; drawing ;wasn't 6. Were ;having 7. wasn't reading 8. is playing 9.was ; doing 10. were listening 11.were reading 12. were watching 13.was cooking
改写
Mary wasn't riding a bike at that time
Was Mary riding a bike at that time? Yes,she was. No ,she wasn't
3. What was Mary doing at that time?
希望采纳