Don’t__________your coat on the bed.
A. laid
B. lying
C. laying
D. lay
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16.It is officially__________that Mr. Brown will not run for President.
A. announced
B. showed
C. said
D. forecast
_____时候开始施行《中华人民共和国国家通用语言文字法》?
普通话是以_____为标准音,以_____为基础方言,以_____作为语法规范的现代汉民族共同语。