a host of the show is really .A. Being a hard workB. To be hard-working C. Being work

问题补充：

a host of the show is really .

A. Being, a hard work

B. To be, hard-working

C. Being, work hard

D. To be, work hard

答案：

A. Being, a hard work

(答案→)B. To be, hard-working

C. Being, work hard

D. To be, work hard

解析：动词的非谓语作主语，且be动词后接adj，故选B