How long can I _____ the book?–Three weeks.

The food _____ my country is quite different _____ that here.[ ]

The question is too hard to understand. —Why _______ ask the teacher? [ ]

What do you think of Tom？–He is a man of______words. He always stays alone(独自地).

We can go to Beijing Railway Station by bus. — Why not ______ there for a change? [ ]