传染病处理原则:()。
A.早诊断
B.早报告
C.早治疗
D.以上都是
参考答案:D
He smiled and waved to the crowds _______ him,
A.waited for
B.waiting for
C.waited
D.waiting
—What a nice coat! I' ll take it.
—But you'd better ______ first. I' m afraid it may be small for you. [ ]
A. try it on
B. pay for it
C. put it on