用所给单词替换句子中词
问题描述：
用所给单词替换句子中词
1.It"s raining hard.But I think we should go out.(however)
2.He couldn"t arrive in time.(fail)
3.Policeman are helping to look for the lost child.(police)
答
1.It"s raining hard.Howver,I think we should go out.
2.He failed to arrive in time.
3.The police are helping to look for the lost child.