合并为含有宾语从句的复合句的练习

1.Why is the train 1ate?Would you tell me?
Would you tell me why the train is late?
2.Where is Tom?They asked.
They asked where tom was.
3.September 10th is Teachers'Day.We were told.
We were told that September 10th was Teacher'Day.
4.Did they have to do it yesterday?She wants to know.
She didn't know if they had to do it the day before.
5.Will they come to help us?We didn't know.
We didn't know if they would come to help us.
6.How long have you had the bike?She asked me.
She asked me how long you had had the bike.
7.Could you tell us,What does she enjoy?
Could you tell us what she enjoys?
8.What time does he get up?Nobody knew.
Nobody knew what time he got up.
9.He will come back tomorrow.
He tells me that he will come back the next day.
He told me that he would come back the next day.
楼上的 你那个第3题主句是一般过去时态 那么从句应该是过去时.
第4题简单句变为复合句yesterday就应变为the day before .
第8题简单句变为复合句tomorrow也应变为the next day.
应该是吧?