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pollution是可数的吗 environment pollution 还是environmental pollution?我已经知道了 邮箱地址里面的符号"."用英文怎么拼? responsibility 和obligation都是可数名词吗? pollute用于什么,pollution呢? 一道英语词汇辨析题,有关responsibility,liability,circumstance,obligationIf you have not signed a contract,you are under no ______ to pay them any money.A.responsibilityB,liabilityC,circumstanceD.obligation答案选的D,我觉得除了C以 pollution的用法要详细,越详细越好 这三题的答案是?区分duty,obligation,responsibility1、Parents have a legal _______ to ensure that their childen are provided with efficient education suitable to their age.A、duty B、obligation C、responsibility2、It is my ______ to 请问:The pollution is bad for ...中the的用法请问:The pollution is bad for the environment.中的the 的用法.前面的不可数名词是否可以用零冠词?为什么? 英语区别,Obligation和responsibility的区别. 有一句话 说什么PS让多少人变成了什么的 英语中冬天是第几季 是in snow in winter还是on sonw in winter My friends are polite and helpful.(对polite and helpful提问） He's polite and helpful.对polite和helpful提问. 求Lenny Kravitz 的I‘ll Be Waiting的歌词 I'll Be Waiting 歌词 Depend on it that we won't give up什么意思 You may depend on it that I shall always help you.3Q the way he thought of solving the problem was good这个单句为什么错在solving这里?为什么要变为to solve The way he thought of ____the problem was effective 英语翻译At about two in the afternoon,Edison suddenly thought out a good way to solve the problem on automatic telegraph after the wedding. The way he thought of___ the problem is practicalA.to solve B.solving C.how to solve D.how to settle为什么选A不选BCD,请翻译后并附详解, I am certain that he will deliver on his promise 这个that是什么从句? we doubt _____he will keep his promiseA whether B that请问这里不能用B 选择的原因 后面不是接THAT吗 the problem of sth和the problem with sth有什么区别? This is another way of _____ (work) out the math problem.快 Both of the students cannot work out the problem meansA.The two students can not work out this problem B.Not all the students can work out this problem C.One student can work out this problem,but the other can’t D.Neither of the two students can wo there are many ways of()out the problem.A work B works C working D to work Both of the students can not work out this problem. 李雪健得癌症了吗? 李雪健的言外之意 李雪健的言外之意是什么