根据句意,用括号中所给词的适当形式填空。
1.Computers are used by people for ______ problems. (do)
2.Spaceship ______people have reached other parts of the universe. (with)
3.Britain is only 30 kilometers away from _____ . (French)
4.I think English is _____ than maths. (important)
5.The Great Wall is over six ______kilometers long. (thousand)
6.The hat was ______of silk. (make)
7.The moon ______round the earth . (travel)
8.Sheep are ______by farmers for producing wool and meet. (keep)