问题补充:
a host of the show is really .
A. Being, a hard work
B. To be, hard work
C. Being, work hard
D. To be, hard-working
答案:
A. Being, a hard work
(答案→)B. To be, hard work
C. Being, work hard
D. To be, hard-working
解析:此题重点考查动词的非谓语形式,又因work是不可数名词故选B。