_________ useful information it is!
Please tell my father ______ the talk tomorrow. A. don’t forget B. not forget C. not to forget
——______ do you go camping? ——Once a month. A. How long B. How often. C. How many.
This party was , and everyone felt . A. boring; bored B. bored; boring C. boring; boring
--- Must I see the dentist at once? --- No, you . A. mustn’t B. can’t C. needn’t
Did you do interesting on vacation? A. everything B. nothing C. anything