一.单项选择
( )1. We have breakfast _________ half p ast ten _________ the morning.
A.in.at B.at,in C.on,in D.at,on
( )2. A. __________ do you s ave your homework?
B. I save my homework in a document.
A. When B. Where C. What D. Why
( )3. Does Betty often go to school late? No, she __________ go to school late.
A. not B. no C. never D. always