随堂练含答案（4份）
一、用because, so, but或and填空
1. My sister likes singing, ______ she doesn’t like dancing.
2. I can’t go to the movies with you ______ I have a lot of things to do.
3. Jack often helps me with my English ______ I often help him with his Chinese.
4. We are hungry, ______ we buy a lot of food.
5. We go to school every day ______ Sunday.