You ____ wash your hands before meals.It's good for your health. A.have to B.must 答案是B 为什么?
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You ____ wash your hands before meals.It's good for your health. A.have to B.must 答案是B 为什么?
答案是B,因为两者都表示必须的概念
然而A是指客观,即外界因素所促使你
B是指主观,即通过自己的想法所促使你.
依题意吃饭前洗手是好习惯,应发自主观,所以应选B
You __B__ wash your hands before meals.It's good for your health.
A.have to B.must
他们两个的区别是前者指的是义务,客观的必须我必须回家了(外面下雨了)
后者指的是自己意愿的必须----我现在必须回家了(我想写作业)
哪里不懂欢迎追问
朋友,这里的答案之所以选B.must,
是因为:
have to表示:不得不,必须,主要是客观原因导致的不得不;
must表示:必须,主要是主观原因,人为确定的,
这里洗手肯定是人为确定的,不是客观原因不得不这么做。
明白了吗?朋友?
因为一个句子中有且只有一个谓语动词,现在句子中wash是谓语动词,不需要have这个动词了,况且在这里have也翻译不过去啊,must为情态动词,翻译为必须。合乎句意。
整句话意思是:你吃饭之前一定要洗手,这样对你的健康有好处。
must 情态动词must是必须,但不是无奈去做的,have to 是没有别的选择,带有无奈的意味
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