5.英语转换句子的题目1.the students were busy with the cleaning when t
5.英语转换句子的题目
1.the students were busy with the cleaning when the teacher came in
the students were ___ ___ their classroom when the teacher came in.
2.Last Sunday,we heard them sing Pking Opera in the theatre.
They were heard ___ ___ Peking Opera in the theatre last Sunday.
3.It took him two hours to play with computers last night.
He ___ two hours ___ with computers last night.
4.Both he and his deskmate have passed the exam.(改为否定句)
___ he ____ his deskmate _____ passed the exam.
5.He turned on the lights half an hour ago.
The lights ____ ____ ____ for half an hour.