Must I return the book today— No, you ________. You can do it tomorrow.

Many people are __________ building a chemical factory（化工厂）near here . They are worrying about the possible pollution .

No conclusion _______ about the new product until the result of the experiment has been announced

下列各句中，没有语病的一句是

________ his being late again, he lost his job and had to stay at home[ ]