.完成以下句子,用had to或must have been填空.例如:He is very tired because he had to get up early this morning.He didn't get up early this morning.He must have been tired.例子里可否用he (must have to) get up early this m
网友回答
我不知道“must have to”你是怎么想出来的,或者在哪里出现,如果有出处,请指教；如果是你自己想出来的,请解释下理由.
must have to根本就不可能存在,要表示主观就用must,要表示客观就用have to,如果想表达主观和客观上都必须,那就用should或者其他词.所以对于第一题并不是because的原因.
题外话,第一句的逻辑不恰当,直白点,什么狗屁题目,要考查have to和must的知识点就换个题目,he is tired now because he got up early this morning.他现在很累是因为他今天早起.不需要强调主观或者客观,had to 多此一举.
第二题,must have been doing sth.不是stay,而是staying.
综上所述,基础知识没有掌握.
======以下答案可供参考======
供参考答案1:
题1和题2,都不可改成must have been，been强调状态，后面不会接get,stay 这些动词
供参考答案2:
你瞎搞