用and或but填空,使句子通顺、完整。
1.I can play the flute _____ I can’t play the Erhu.
2.I want a computer _____ it’s too expensive.
3.I want to go to the library _____ it is ten to seven.
4.I went home _____ I ate lunch.
5.I ate a sandwich _____ an apple.
6.I think it is an apple _____ it is an orange.