Jack is a student and studies at the NO 1 Middle School, _____

Most computer users think it necessary for theirsoftware ________ regularly．

151. The passenger _____ at his watch and found that it was too late when he arrived the railway station.

We will take the conditions into careful consideration _______ you have attached to this contract.—Thanks. Hope for further cooperation.

You know what Tom wants to be apolitician after graduating from college— Are you kidding He will never _____ aperson like that