来自戚宗锋的问题
Theacademic­turned­TV­celebrityisreported________ataKunquOperaperformancestagedatPekingUniversity.A.toboo(喝倒彩)B.tobeingbooedC.tohavebeenbooedD.tobebooed
TheacademicturnedTVcelebrityisreported________ataKunquOperaperformancestagedatPekingUniversity.A.toboo(喝倒彩)B.tobeingbooedC.tohavebeenbooedD.tobebooed

