Run for more than half an hour every day, ________ you can lose your weight easily.
A.or B.and C.but D.unless
Mr. Zhang ________ as an engineer since he came to the computer company in 2008.
A.works B.worked C.has worked D.had worked
Listen! Who _____ the piano in the next room?
A.plays B.played C.is playing D.has played
The students were excited when they knew they ______ out for a spring out the next month.
A.went B.had gone C.will go D.would go
Tommy’s parents looked _______ when they saw his excellent exam results.
A.happy B.happier C.happiness D.unhappy
In my opinion, Li Jianrou is one of ___________ skaters this year.
A.luckiest B.lucky C.the luckiest D.luckier