—I wonder what makes you a good salesperson．
—I as a waiter for three years，which contributes a lot to my today's work．
A． serve B． have served
C． had served D． served
I waited for him at the train station for an hour and I was afraid that he may miss the train, but luckily, he showed up with only ten minutes ．
A． remain B． to remain
C． remained D． remaining
The drama, “The Empress of China" that was pulled off the air for technical reasons now back on TV．
A． is B． are C． has D． have
Taught in a more professional way, you the swimming skill much better．
A． might master B． would have mastered
C． can have mastered D． could master
Following the decline in house prices in many small and medium-sized cities, there are now signs home prices in majors cities may also be set for a slide．
A． which B． that C． how D． what
— Can I lie about seeing a text message because I was too busy or lazy to respond to it ?
—Receiving a text message does not necessarily mean you have to respond． Why waste a perfectly good lie the truth will serve?
A． unless B． until C． when D． while
