题目内容
I think it ________ that she should be knowledgeable about computers for her present job.
[ ]
A.urgent
B.normal
C.essential
D.gifted
答案:C
解析:
解析:
|
根据后面宾语从句的结构可以判断出所填的词必须具有能使其后的从句是虚拟语气的功能,四个词中只有essential“必不可少的”有此用法。 |
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