—Have you seen _______i-phone 5s, Jack?—Is it a black one ? I think I saw ____ somewhere.
I would wear a shirt and tie to the party if I ________ you. It’s more polite.A. were B. will be C. am
– What a nice bicycle! – Thanks. I ________ it for two months.A. have bought B. bought C. have had
It seems very difficult to ________ the child crying. Please take him to his mother. A. stop B. keep C. make
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