-- _____ classes are there in your school? –Thirty.
Beijing is _______ capital of China. And it's one of _______ in Asia.
--I prefer to have a hamburger rather than_______ a glass of milk. --Hamburgers? You'd better not eat __. It's junk food.
Peter_______ to eat meat_______it is a little burnt.
Sun Tao has had a_______ English course, but he still doesn't know
--Jack's never worked hard at English, _______? -- _______ , so he can't answer the question in English, I think.