1.你必须今晚完成作业 用英语
2.One of the twins (sit/sits)next (to/in/for)
3.My sister is badly ill.She is (in the/in/in an/at the)hospital
4.跨过三个单行道
You will have to ()three one-way streets.
5.He ()()money and people every day.(打交道)
6.Mr Li is a policeman.同义句
Mr Li ()()a policeman.