--- Did you catch the train to Beijing last night?--- No. It ______ for ten minutes by the time I got to the station.
I have two children, and ________ of them are working in the west of China.
The university student borrowed some money _____his friends to start his own business.
This novel can make you laugh and cry at _______ same time.
—Do you know_______? —Yes. At about twelve. I was just about to go to bed.
In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can help the blinds, search for the bad eggs.