it's raining hard outside.so we ()stay in the classroom1,must2,have to为什么不选1

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it's raining hard outside.so we ()stay in the classroom1,must2,have to为什么不选1
it's raining hard outside.so we ()stay in the classroom1,must2,have to为什么不选1

it's raining hard outside.so we ()stay in the classroom1,must2,have to为什么不选1
选择2 ,have to .这个问题主要是考查must 与have to 得用法.
理由:must表示一种主观的需要,而have to表示一种客观的需要,意思是“不得不”.
这个题目意思是说：外面正在下雨,因此我们不得不呆在教室里.问题是因为下雨,是客观上不得不.故选have to.
以下附上Must 与have to得具体用法与区别,
1）表示主观的义务和必要,主要用于肯定句和疑问句,意思为“必须……,得……,要……”；由must引起的疑问句,肯定回答要用must或haveto,否定回答要用needn’t或don’thaveto,意思是“不必”；must的否定形式mustn’t表示禁止,意思是“不能,不许”.
We must find a good method to learn computer well.
我们必须找一个学好电脑的方法.
2）表示肯定的猜测,常用于肯定句中,意思为“一定是,必然……”.
注意must表示推断或猜测的几种情况:
Yoursistermustbeadoctorinthishospital.（现在的猜测）
你姐姐一定是这家医院的医生.
haveto/havegotto的用法
1）must表示一种主观的需要,而have to表示一种客观的需要,意思是“不得不”.如：
Ihavetoattendanimportantmeetingthisafternoon.
今天下午我不得不参加一个重要的会议.
Motherisout,soIhavetolookaftertheshop.
妈妈不在家,因此我不得不照看商店.
2）haveto的否定形式是don’thaveto,相当于needn’t.如：
Theydon’thavetobuyacomputeratpresent.
他们目前没有必要买电脑.
3）haveto与have got to常可以互换.

Look.It's raining ____（hard）翻译：it's not raining very hard. it's raining _（hard） now It's (rain) hard outside.It's raining hard outside.为什么rain要变成raining it's raining hard,so it is much (潮湿) today Look.It's raining ____（hard）理由! It's raining and hard now.I___go home by taxi It's raining hard.You cannot_____(go)out and play. It's raining hard now改为同义句（）it（）hard now It _________ hard outside,let's not go shopping.A.rains B.will raining C.is raining D.raining it's rains heavy和it's rains hard的区别是it's raining heavy 和it's raining hard It is raining ____(hard). It was raining hard 是什么意思 it was raining really hard It's raining().what a () rain!A.hardly;hard B.hard.hardly c.hard;hard D.hardlyhardly it's raining very hard 划分句子成分very hard是状语还是表语? It's raining hard outside.里的hard是什么用法?3Q 英语 It's raining hard/heavily.=It is raining_______.=________it is raining!=____we are having!