Doctors advise us ________masks on such hazy days. A.wear B.wearing C.to wear D.worn
2023-01-08 13:24:05 108次 2014-2015学年河北石家庄第十七中学九年级上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Doctors advise us ________masks on such hazy days.
A.wear B.wearing
C.to wear D.worn
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