选择填空,求解答~要具体过程~1.hurry up. mum___for us at home.a.must wait b.must be waiting c.should wait d.should be waiting2.can i open the windows at night?no,you______.a.should better not b.whould better not c.had better not

选择填空,求解答~要具体过程~1.hurry up. mum___for us at home.a.must wait b.must be waiting c.should wait d.should be waiting2.can i open the windows at night?no,you______.a.should better not b.whould better not c.had better not
选择填空,求解答~要具体过程~
1.hurry up. mum___for us at home.
a.must wait b.must be waiting c.should wait d.should be waiting
2.can i open the windows at night?no,you______.
a.should better not b.whould better not c.had better not d.have better not
3.____you pass me a pen?i'd like to write down the telephone number.
a.should b.could c.need d.must
4.---why didn't you answer my call?---oh,i'm sorry,i_____.
a.must be bathing b.must have been bathing c.must be having a bath d.must have been having a bath
5.please tell jack______the rubbish everywhere.
a.don't throw b.don't to throw c.not throw d.not to throw

选择填空,求解答~要具体过程~1.hurry up. mum___for us at home.a.must wait b.must be waiting c.should wait d.should be waiting2.can i open the windows at night?no,you______.a.should better not b.whould better not c.had better not
1.b 对现在情况的肯定推测 must be doing...肯定在...
2.c 婉言谢绝对方 had better no do...最好不要.
3.b.请求对方做某事的客气表达,比can更礼貌.Could you do sth?请你.好吗?
4.d 对过去情况的肯定推测 must have been doing 那时肯定在.
5.d tell sb to do sth的否定 tell sb not to do sth

1 B 快点， 妈妈一定在家等我们呢 wait for固定搭配 must+动词原形是对现在事情或状态的肯定推测
2. c had better+not + 动词原形 是最后不要。。。。
3. B could you do ...你能干.....吗？委婉的请求
4. B must + have +过去分词 表示对过去事情的肯定推测、
5. D tell sb...

全部展开

1 B 快点， 妈妈一定在家等我们呢 wait for固定搭配 must+动词原形是对现在事情或状态的肯定推测
2. c had better+not + 动词原形 是最后不要。。。。
3. B could you do ...你能干.....吗？委婉的请求
4. B must + have +过去分词 表示对过去事情的肯定推测、
5. D tell sb. not to do sth 告诉某人不要做某事

收起

1. must be waiting  肯定推测

2. had better not 最好不要           had better 最好（用于提出建议）

3. could  &nb...

   全部展开

   1. must be waiting  肯定推测

   2. had better not 最好不要           had better 最好（用于提出建议）

   3. could   委婉请求

   4. D。      must have been doing   对过去的肯定推测

   5. D。      tell sb. not to do 告诉某人不要做某事

   收起

   1b 因为这是肯定的，而且此时此刻的表达方式
   2d 因为表达的语气比较强烈
   3could 用委婉语气
   4d 表达那个时候一定是正在做什么事情
   5d 是非谓语的表达的一种方式

   1.答案b 对现在情况的肯定判断
   2.答案c 婉转拒绝对方 最好不....
   3.答案b. 客气请求对方做某事。
   4.答案d 对过去情况的肯定判断 我当时一定在洗澡.
   5.答案d tell sb not to do sth 告诉某人不要做某事