—Can I call you back at two o’clock this afternoon? —I’m sorry, but by then I______ to Beijing. How about five?
Tom makes ____a rule to give a summary of the new important points after class.
Into the dark apartment ___ , who was quite surprised when everyone shouted “Happy birthday!”
-I’ve decided to compete in the race, but I’m afraid I won’t be the best. -____. You never know until you try.
The dog ____attacked passers-by and therefore was kept on a chain by the owner.
The boy has great ____ in sports. Trained properly, he’ll make a first-class athlete in time.