when there is typhoon,you can see people hold their umbrellas and raincoats__(tight) 原因,具体点

问题描述:

when there is typhoon,you can see people hold their umbrellas and raincoats__(tight) 原因,具体点
这题填tightly.

tightly,紧紧地,副词修饰谓语动词
hold紧紧地抓住
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