二、选词填空
1. I have art ____ (and/but) geography today.
2. Biology is difficult ____ (and/but) important.
3. History is my favourite subject, ____ (and/but) my sister doesn’t like it.
4. I like Chinese ____ (because/and) it’s fun.
5. He doesn’t like maths ____ (because/and) it’s boring for him.

1.and 2.but 3.but 4.because 5.because