His pronunciation is better, for he kept ______ a short passage after the tape every morning.
A．to readB．reading
C．readD．reads
Run for more than half an hour every day, ________ you can lose your weight easily.
A．orB．andC．butD．unless
Mr. Zhang ________ as an engineer since he came to the computer company in 2008.
A．worksB．worked
C．has workedD．had worked
Listen! Who _____ the piano in the next room?
A．playsB．played
C．is playingD．has played
The students were excited when they knew they ______ out for a spring out the next month.
A．wentB．had gone
C．will goD．would go
Tommy’s parents looked _______ when they saw his excellent exam results.
A．happyB．happier
C．happinessD．unhappy
