— Have you found the poor dog yet?— Yes. But he was when we found him. The bad weather killed him.
Tom and Mike are good friends. _____ often help each others.
Her father often _______ to work on foot. But yesterday he ________ a bike.
--- _______ do you have piano lessons? --- Once a week.
--- How did you go home yesterday ? --- My father when he drove past my school .
I want to get __________ about Qinghua University yesterday.