The twins have tried, but _ _ of them has got the chance to study abroad.
--- Didn’t your brother ________ go to school by bike? --- Yes, he did. But he ________ walking to school now.
There’s no doubt _______ Emily will be the hostess (女主持) of the New Year’s party.
Mr. Green was_______ with the medal______his great achievement in this field.
---Peter is not himself these days.---well, could you tell me________?
He realized his mistakes and took action to reduce the loss _______ it was too late.