8BU6 限时提高训练四一、单项选择: （本大题共14小题，每小题1分，共14分）1. You work all day and you go to parties all night? You must be crazy! You know you cant_, dont you?A. be too old to learnB. put all your eggs in one basketC. burn the candle at both endsD. say the grass is always greener on the other side2.We students can_food and old clothes to the homeless people, and the teachers can_learning skills for the poor children.A. provide; giveB. provide; offerC. o
