句型转换。
1 ．Teachers' Day is on September 10th. （对画线部分提问）
____ ___Teachers' Day?
2 ．They were born in Shandong. （对画线部分提问）
____were they born?
3 ．We did our homework last night. （改为否定句）
We______ _____our homework last night.
4 ．Betty walked to school yesterday morning. （改为一般 疑问句并作肯定回答）
-____Betty____to school yesterday morning?
-Yes ，she____ ．
5 ．We traveled by train. （对画线部分提问）
______ ____you travel?
