用and还是or,请解释,谢谢！1. We have no classes on Saturday and Sunday

用or 表否定，因为前面有no。如果说we have classes on santurday ()sunday.用and 这不是读不读死书的问题，是老师就是这样教的，如果考试那样答就会扣分的问题~回答问题请不要进行人身攻击好伐~

用and，毫无疑问的。二三楼读死书。楼上的打PP，and和的意思，or是 或者 ，或者 还是 的意思。What do you want to eat,apple or banana?//这里表示还是的意思，含选择的语气。而表达周六周天都没课，虽然有否定no，但是没有让选择的意思，所以要用肯定的。就好象一般疑问句里通常用any,但...

如果用知We have not classes on Saturday and Sunday，这不是一个句子 not 应加在助动词后 ，像don't can't doesn't 如果是 have not，have在这里就不是动词，是现在完成时中的助动词了 【当class是课程的时候，可以改为lessons】所以应该改道成 We have no classes on Saturday and Sunday....

We have no class at weekend.

sister does housework on Saturday 我姐姐周六做家务 你的问题译文：we usually have no classes on saturday and sunday 通常周六日我们一般没有课（表示不是周六日完全没有课，有时有课）we usually have no classes on saturdays and sundays 我们周六日通常没有课（表示每个周六日都没有课）...

Come and have tea with me. 过来跟我一起喝杯茶。We ought to stop and think. 我们应该停下来想一想。(4) 有时用在祈使句后，表示结果，意为“那么”：Work hard and you’ll succeed. 努力干吧，你会成功的。Arrive late once more and you’re fired. 你再迟一次，你就会被开除。比较...

1. 从星期一到星期天怎么过的用英语写作文 My week I know there are seven days in a week.They are: Monday ,Tuesday ,Wednesday ,Thursday ,Friday ,Saturday and Sunday.I spend all of them very happily. I go to school on Monday to Friday.We have some classes in school,such ...

I have learnt a great deal from the English culture and my English has improved enormously⑤. The school has been good at recognizing the needs of foreign students. For example, we went out as a crowd last week to celebrate the Chinese New Year. It was great.”词语解释①challenge ['tM$...

On Saturday and Sunday, I often go to the library and play the piano, My father go to play basketball. Sometimes, we watch TV and listen to music at home. I love my family. Because I’m very happy to live with my parents together! 我的家庭 我爱我的家庭,因为我有一个快乐的家庭...

短语或句子。and连接两个相同的词语可用以加强语气或表示动作的反复或一再发生。6、for： for一般指由于客观原因(如举止、言语等)而导致某种结果。三、侧重点不同 1、at：表示地点。2、in：表示手段、方式。3、on：表示动作。4、with：表示原因。5、and：表示比较。6、for：表示时间。