-----What’s _____matter with you?------I have_____ fluA. the, / B . /, the C. the, the
By the time I got to the airport, the plane ________. A. took off B. has taken off C. had taken off
The boss in the factory made the workers_______nine hours a day in the past. A. work B. to work C. working
I am a League Member. I volunteer my time _____ others. A. help B. to help C. helping
---What did you do on April Fool’s Day? ---I played a trick ______ my brother. A. on B. to C. with
Look at that girl ______ name is Lucy. A. who B. whose C. which