A. atmosphere B. pollution C. traffic D. noise

A. artisans B. tourists C. engineers D. doctors

A. passed down B. put up C. taken off D. turned down

A. How far B. How long C. How often D. How much

A. if B. that C. what D. which

A. should B. shouldn’t C. mustn’t D. needn’t

A. for B. with C. about D. at

A. went B. have gone C. go D. are going

A. I wish I can speak English fluently. B. I wish I could speak English fluently. C. I wish I speak English fluently. D. I wish I am speaking English fluently.

A. Yes, I’d love to. B. Yes, I do. C. No, thanks. D. That’s right.