—The 3G mobile phone has influenced people’s life a lot since it ___
A. invents B. invented
C. is invented D. was invented
I’m deeply impressed by the French teenager ___ I met on the trip..
A. what B. who C. which D. where
I can’t play the piano, and ___
A. so can’t my sister B. so can my sister
C. can my sister, either D. neither can my sister
—Whose is this blue sweater?—It ___ be Hong Tao’s. His is white.
A. may B. can’t C. must D. mustn’t
The local people like hat restaurant because it ___ both delicious food and good service.
A. cooks B. tastes C. shares D. offers
You’ll miss the bus ___ you walk more quickly.
A. unless B. if C. when D. but
