class 变复数

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• would you like some pears?--No,thanks.I think there ___ enough for usA.is B.are C,has been D.had beenc是不是应该改为have been因为pears 是复数,B也错了,因为要用完成时态请问,你觉得呢?
• 等式两边乘以或除以同一个数,等式依然成立.那么：40÷x=5 怎么运算?为什么这样运算?请说明基本原理及其公式好吗谢谢 它也是移项变号吗?
• 10道C++判断题1．使用关键字class定义的类中缺省的访问权限是私有(private)的.2．作用域运算符（：：）只能用来限定成员函数所属的类.3．析构函数是一种函数体为空的成员函数.4．构造函数和析构函数都不能重载.5．说明或定义对象时,类名前面不需要加class关键字.6．对象成员的表示与结构变量成员表示相同,使用运算符.或->.7．所谓私有成员是指只有类中所提供的成员函数才能直接使用它们,任何类外的函数对它们的访问都是非法的.8．某类中的友元类的所有成员函数可以存取或修改该类中的私有成员.9．可以在类的构造函数中对静态数据成员进行初始化.10．如果一个成员函数只存取一个类的静态数据成员,则可将该成员函数说明为静态成员函数.写出对的序号就行,要不回答太麻烦了
• He loves to see them.(变否定句、一般疑问句、现在进行时、一般将来时）急!
• 2.Saturday is the ______ day of the week.A.first B.second C.last D.third 3.Get up early,______ you'll catch the early bus.A.so B.and C.but D.or 这两道题答案写的是B和D,错了错了3.Get up early,______ you'll catch the early bus.A.so B.and C.but D.or 4.Hurry up,______ you'll be late for class.A.so B.and C.but D.or 3选B,4选D
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• 英语填空 为什么?用了什么语法 1,You need not(wake)_____me up.I don't have to go to work today.2,If you had listened carefully in class ,you (know)_____how to do this problem now.3,You need not (write)____such a long report,because the boss has no time to read it.
• 2012广东高考英语语法填空答案疑问17题为什么是would buy而不是had bought；；22题为什么是which而不是who；；24题为什么是if/whether而不是what原文和我做的答案：Mary will ever forget the firsttime she saw him.He suddenly appeared in class one day ,__16wearing_(wear) sun glasses .He walked in as if he __17would buy（had bought?）___(buy) the school,And the word quickly got around that he was from New York City.For some reason he sat besideMary.Mary felt _____18pleased_ (please),because there were many empty seat
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• I'm in Class 3(对3提问）————class _____you in?前面————————改成______
• Class One单数还是复数（用is 还是are)