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