2.It is important for us()something about first aid.A.know B

2.It is important for us()something about first aid.A.know B.to know C.knowing D.knows

薇薇在别处 1年前已收到8个回答举报

13606883166666 幼苗

共回答了13个问题采纳率：92.3% 举报

B
一定正确

1年前

tak6666 幼苗

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答案选B.to know

1年前

crazzy 幼苗

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B 固定用法 it is + 形容词+ for sb to do sth

1年前

angelvsfly 幼苗

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1年前

章之幼苗

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b. to know
it's important for sb to do sth

1年前

407844600 幼苗

共回答了1个问题举报

1年前

爱床幼苗

共回答了44个问题举报

It is important for us to know something about first aid
该句考的是一个常用的句子结构：
It is/was adj for sb to do sth
做某事对某人来说是怎么样的。
应该选B

1年前

lujia6295855711 幼苗

共回答了4个问题举报

1年前

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