---Excuse me, Sir. But smoking is not allowed here.---Sorry, I didn’t see the sign. I’ll _______ my cigarette at once.
My grandfather is in his eighties, ______he is still in good health.
--____ Tim ____ his homework now? --He should, but he may not. He likes watching TV.
Coca-Cola began to enter China's market ______. And it’s still quite popular now.
--My 12-year –old son is 5cm ____ than last year. --Oh, he is growing up fast.
–Tom asked ___ to ride to the museum with him, Sally. --OK. But we’d better go by bus. ____ will take one and a half hours by bike.