Jack，you look tired today.What’s wrong? — I was _______busy _______ I didn’t go to bed until midnight yesterday.

The prison was ___________ fire last night.–Someone must have set fire___________ it

Where did you get to know him— I think it was in the factory______ I worked ten years ago.

If you go for a long ride in a friend’s car , it’s the custom to offer to some of the expenses .

It is not easy for a woman to _______ her career and family.