题目内容
It is difficult to judge what words are _______ and what words are not.
[ ]
A.
worth to look up
B.
worth being looked up
C.
worth looking up
D.
worthy of looking up
答案:C
解析:
解析:
|
短语be worth后面要求跟动名词形式,且用主动形式表示被动的意思,而be worthy后的结构为of being done或to be done。 |
练习册系列答案
相关题目