1.I don't know ] A.where does he come from B,what is his nam

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1.I don't know ] A.where does he come from B,what is his name C.what is the matter with him
D,when will he leave
2.Spelling and pronunciation ]his main trouble.
A.is B.are C.takes D brings

第一题选C,第二题选A
第一题；本句是宾语从句,要用正语序,但是有一种特例,就是what‘s the matter with sb或what’s wrong with sb时不用变化.A应该改为where he comes from ,B改为what his mane is,D改为when he will leave
第二题；本题考查主谓一致,主语是Spelling and pronunciation,是一个整体,故后面用is
再问：第二题是选A,不好意思呀
再答：已经更改，刚才看错题了，抱歉。补充一下，像这种用and 连接的词用单数的还有knife and spoon等
再问：可是我觉得按照你们的说法来解释的话，那用and连接的基本上都是用单数的了，因为一般情况下用and连接的都是一个整体。比如：爸爸和妈妈，塔姆和桑拿，大和小。。。。等等
再答：不是的，只有同类事物用and连接时才用单数并列结构作主语时谓语用复数 Reading and writing are very important. 注意：当主语由and连结时，如果它表示一个单一的概念，即指同一人或同一物时，谓语动词用单数，and 此时连接的两个词前只有一个冠词。 The iron and steel industry is very important to our life.
再问：那原题中又不是一个整体概念，我真的不太明白，
再答：怎么会不是，题目中的spell和pronunciation的意思分别是拼写和发音 knife和spoon一个是刀，一个是勺子，都是餐具。
再问：那爸爸和妈妈都是人对吧她们也是一个整体，一般有并列关系的都是同类的吧
再答：是。如果是your father and your mother就不是了
再问： WHY

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