Do you spend a lot of time____ computer?—No, but I spend much time_____ doing my homework.[ ]

I am interested in that beautiful bag. What do you charge for it? — $ — ______ , but I can’t afford it.

The highway through the rain forest was completed in

Put the science books _____the box and take them_____ the classroom.[ ]

If you don’t have enough money, I think you should _____ some _____ your friends.