1An official ___________ by some reporters on food problems in Shanghai yesterday.
A. is interviewing B. is interviewed C. was interviewing D. was
1We are glad to hear that the Greens __________ to a new flat next week.
A. moved B. moved C. will move D. have moved
1Now my father __________ his bike to work every day instead of driving.
A. ride B. rode C. rides D. will ride
1By the end of the last month, I _____________ all the CDs of Justin Bieber.
A. collect B. collected C. have collected D. had collected
1You _________lose your way if you walk alone in the mountains at night.
A. may B need C. should D. ought to
1We didn’t start our discussion __________ everybody arrived.
A. since B. if C. while D. until
