— Wow! You look different! You wear glasses.— Yes, I did. But now I am wearing contact lenses(隐形眼镜).
Digital cameras are becoming very popular, though some still ________ too much.A. pay B. cost C. spend
– Is your brother playing computer games, Nick? – He ________ do that because the computer doesn’t work.A. mustn’t B. shouldn’t C. can’t
– ________ you work hard, you won’t make progress in your study. – I will, Miss Li. A. If B. Unless C. Though
The movie was ________. I fell asleep half way through it.A. interesting B. scary C. boring
– ________ do you exercise? – I used to exercise every day, but now I exercise twice a week.A. How often B. How soon C. How long