We should always keep ______well-informed of the changing information

Because of the _____ petrol(汽油) price, fewer and fewerpeople will choose to own a car, I think. — I have the same idea asyou.

If _______ in class, you will have to clean the classroom for a week as a punishment [ ]

Look at this model of mobile phone. It is a new type. — It looks nice. Can I _____and see how it works? [ ]

The court hears about 120 cases a year;visitors are welcome to see a case ______.