— Everyone should help save the planet.
— Yeah. I’ve stopped ______ plastic bags when shopping.
A. to use B. usingC. use D. used
Teachers will hardly use chalk in the future, ______?
A. will heB. won’t heC. will theyD. won’t they
— What nice coffee!
— But I think it will taste ______ with sugar.
A. well B. badC. worse D. better
— What’s wrong with you, sir?
— My flight ______ ten minutes ago. What should I do?
A. took upB. took offC. got onD. got off
It began to rain ______ I was walking in the park.
A. until B. becauseC. whileD. although
Turn the computer off, Peter! You ______ play games so late any more.
A. mustn’t B. needn’tC. have to D. might
