You are sick. You should drink _________ water.[ ]
A. much
B. more
C. many
D. most
答案:B
行车前,应确保防松锁定装置已将云梯锁住。
美国Rapaport钻石报价表中钻石质量分为()等级。
A.10个
B.15个
C.18个
D.20个