There is no doubt ______ man will conquer nature some day.[ ]

The teacher said we____ten lessons by the end of this term.

The attack by terrorists has been _________by the entire world. [ ]

Helen hasn ‘t shown up so far.It’s five past seven.— It’s________of her to keep others waiting.Now,let’s go.I have no patience. [ ]

______ can you finish the report on food safety— In two days.