语法与词汇
14.
A series of robberies______recently.
A、
has been reported
B、
has reported
C、
have been reported
D、
have reported
【正确答案】
A
【答案解析】
首先应排除主动语态的选项。其次,当a series of, a species of,a portion of, a kind/type of等加上名词时,谓语动词一般用单数,即谓语动词的单复数取决于species,series,portion,kind,type是否是单、复数,而不取决于of后面名词的单、复数。本句中series是被a限定的,因此是单数。
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