【題目】— There is nothing wrong with the television， _______ there?

【題目】_________ dangerous it is for a child to swim alone in a river!

【題目】--- ______ are their keys?

【題目】A: _ did you come so late to your office this morning?

【題目】Just before the English class， I suddenly realized that I _______ my English textbook at home.

【題目】He is not funny, and he is always very s.

【題目】It is getting cold. It’s ________ colder today than it was yesterday.

【題目】Thinking back to the past years, many people wonder _.

【題目】Don't l at that old man. It's not polite(禮貌的).