---Was it the new school headmaster who walked by ?

---Was it the new school headmaster who walked by ?
--- _____.
A．It must be that B．It must have been C．He must be D．This must have been
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温柔的坏男人 幼苗

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B

考查问题回答，问句是it为主语，回答也是it为主语，而且是对过去情况的推测，选B，句意是：--刚刚走过的是校长吗？--一定是。It must have been ="It" must have been the new school headmaster。

1年前

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