He is a child. [ ]
A. not longer
B. not any longer
C. no longer
答案:C
牛的正常脉搏为()次/分钟。
A、40-80
B、10-25
C、15-30
牛牛超级市场促销苦瓜汽水,3瓶特价25元.那购买9瓶要花多少元?