一道关于情态动词的题 can must wouldwhat’s up?the noise sounds terrible.Don't worry! It ____ be the window-cleaner working upstairs.A can B must C would答案是B 为什么是肯定的猜测呢 去记得it can be.也可以表示一种

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一道关于情态动词的题 can must wouldwhat’s up?the noise sounds terrible.Don't worry! It ____ be the window-cleaner working upstairs.A can  B must   C would答案是B  为什么是肯定的猜测呢  去记得it can be.也可以表示一种

一道关于情态动词的题 can must wouldwhat’s up?the noise sounds terrible.Don't worry! It ____ be the window-cleaner working upstairs.A can B must C would答案是B 为什么是肯定的猜测呢 去记得it can be.也可以表示一种
一道关于情态动词的题 can must would
what’s up?the noise sounds terrible.
Don't worry! It ____ be the window-cleaner working upstairs.
A can B must C would
答案是B 为什么是肯定的猜测呢 去记得it can be.也可以表示一种可能性的,这里怎么不选呢

一道关于情态动词的题 can must wouldwhat’s up?the noise sounds terrible.Don't worry! It ____ be the window-cleaner working upstairs.A can B must C would答案是B 为什么是肯定的猜测呢 去记得it can be.也可以表示一种
只能说出题者不是很严谨.但B的确更符合语境.

must 表猜测的口气很肯定,can 表猜测用于否定句或疑问句。如:
He must be at home now.(变成否定句时,就要说:
He can't be at home now.

一般肯定句选B 否定句选C(Can't)

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