—I’d like to call you at 10 o’clock next Friday morning if it is convenient.—I’m afraid I _______ an important meeting.
My mind wasn’t on what he was saying so I’m afraid I ______ half of it.
It was not ______ he took off his dark glasses ______ I realized he was Liu Xiang.
Locked in his own study, Tony was annoyed for _____ the change earlier.
Hi, Susan, are you interested in buying some used books for school? You _____ really save some money that way.
_______teachers are required to take part in this relay race.