We must _____ their permission whatever the cost is. — But I’m afraid they will reject.

Yang Liwei is regarded as our national hero, who is_________.

re were no automatic washing machines,people would have to wash their clothes ______ hand or ______ hand-operatedmachines

Why are you so tired these days—Well, I have ________ homework to do.

(2013·高考江苏卷)Generally，students’ inner motivation with high expectations from others________essential to their development.