The more __ people drive, the__ traffic accidents there will be. A. careful; less B. carefully; fewer C. careful; fewer
______ do you exercise in a week? A. How long B. How far C. How often
quite a few A. 相当多 B. 一点 C. 不太多
train v.. A.训练 B.开火车 C.提
cheer v. A.鼓掌 B.欢呼,喝彩 C.站立
satisfaction n. A.满意 B.幸福 C.高兴