He is old, but he ____ have gray hair.
There is a new bridge ________ the river in front of my house.
-- Sorry, I can’t speak Chinese. -- ________. I’ll teach you
There ________ a sports meeting next week.
-- Excuse me, ________ are the apples? -- 8 yuan a kilo. ________ Kilos do you want?
It takes about 30 minutes _______ a bicycle from my home to school.