—You will fail in the exams ________ you work hard.—I know, Dad. I'll try my best.A. if B. unless C. as long as
– Do you know the price of the ticket? -- Yes. Each _____ 180 yuan.
What did he find? He was surprised at what _____.
He is _____ honest boy.
—You won the first prize in the physics competition. —___________. I made several terrible mistakes.
—I think students should have mobile phones to call their parents. —___________. They often use them to play games, instead.