He spends about two hours soccer every day. [ ]
A. play
B. playing
C. to play
D. played
答案:B
词义替换。
—Would you mind passing me the book?
—Of course not. I’ll do it right away.
A.put away
B.all right
C.in a minute
D.throw away
以下哪个药物可用于急、慢性消耗性腹泻以减轻症状
A.吗啡B.美沙酮C.阿法罗定D.阿片酊E.哌替啶