题目内容

Everyone of us _____ it’s important _____a seat belt in the car.
A.knows, wearsB.know, to wearC.knows, to wearD.know, wearing
C
everyone of sb 作为主语,相当于三单形式,故用动词的三单形式,而后一空属于固定句型,即it’s +adj+for sb to do sth,故选答案为C
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