语法与词汇
Never _____ anything more important before.
A、
there is
B、
has there been
C、
there had
D、
there has been
【正确答案】
B
【答案解析】
Never置于句首应将谓语倒装， 四个选项中只有B选项符合倒装要求， 故选B。
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