什么情况下用can't.aren't .don't.

相关推荐

• I don't get what you said这句话上有什么语法错误么?还有,有没有It takes one's time to do sth.的结构.在什么情况下,when +adj.等于when it is adj.（任何情况下都能用?） 帮我好好解释下,给个例子 You can take a mobile phone with you when necessary = You can take a mobile phone with you when it is necessary
• The meeting is very important .so we __ be late. 为什么用mustn't .不用can‘t.
• 什么情况下用can't.aren't .don't.
• — May I 类型问句1)—May I —No,you mustn't / can't.2)—Must I —No,you needn't / don't have to.这2个问答句为什么不能直接用什么问就用什么答?（这一问最重要）Many thanks!
• I don't like eating...单项选择______ letters arrive this morning.A.A lot            B.Several用括号中所给单词的适当形式填空   2.She ______(can) cook by herself at the age of seven.   3.The ______(own) decision makes a lot of difference.   4. My father taught me how to ride(ride要不要用过去式?) a bike.   5.I don't like eating ______(lonely).这里的适当形式是什么?为什么要用eating?/>
• 一题英语单选题Your e-mail address again I quite catch it .A don't B can't C didn't 为什么用C的 B的不是更好,表能力
• have的否定形式什么情况下用don t have 什么情况用haven t 怎么区分?我一直不懂唉.
• 几道语法题You can arrive in Beijing earlier for the meeting ( )you don’t mind travelling by air.为什么用provided 不是untilGovernment cannot operate effectively ( )it is free from such interference.为什么用unless 不用if onlyHis father had promised to buy him a computer ( )he behaved himself.为什么用provided 不用after
• he is such a funny sort of person ---i don't understand at alla.who b.that c whom d as 这句话的意思?AS在定语从句的用法?什么情况下用as 为何不能用B,不是有such as 的用法吗
• Excuse me,but I dont think you can take photos hereSorry,I_______ this is no -photo zone为什么是didn't know 用haven't kown或don't know 不行吗
• 某微粒核外有18个电子,当失去一个电子时呈电中性.问：此微粒的符号?
• It's none of your business什么意思?