two sets of fork and knife（后面两个单词是否用复数）

two sets of fork and knife（后面两个单词是否用复数） We have two races ,two languages ,two systems of religious belief ,two sets of laws …two systems I have two __ .A.set of keys B.set of key C.sets of keys D.sets of 两串钥匙是two set of keys还是two sets of keys 两串钥匙是two set of keys还是two sets of keys,哪个对?为什么? please forward the original and duplicate sets of shipping documents in two separate lots to us by dhl courier service最主要的是看着这段东西写出寄单条件 lsat题,ron washed a total of seven objects after eating his lunch.Two of the objects were pieces of china:a mug and a plate.two were piees of glassware:a water glass and a juice glass.three were utensils:a fork,a knife,and a spoon.ron washed the two 二、请用括号内所给单词的适当形式填空. 1.Please pass____（he）a fork and a knife.二、请用括号内所给单词的适当形式填空.1.Please pass____（he）a fork and a knife.2.The____（two）day of the week is Monday.3.Mr Br 英语翻译our six themes come in two sets.the first set consists of statements highlighting crucial aspect of psychology as a way of thinking and as a field of study.自己翻译不好,想看看大家是怎么翻译的, An integer c is a common divisor of two integers x and y if and only if c is a divisor of x and c is a divisor of y.Which of the following sets of integers could possibly be the set of all common divisors of two integers?A.{-6,-2,-1,1,2,6}B.{-6,-2,-1 英语翻译The cross sets out the entrances to the floors of the two towers holding the roomsand also the corridors connecting the various refreshment services and facilities:bar,brasserie,restaurant,banquet rooms and meeting rooms are easy to ident 质数证明!急Consider the following statement:“Prime numbers are integers greater than 1 that are not equal to the product of smaller positive integers.”.Define two sets and interpret the statement as the equally between the two sets.Then prov two sets of road will be needed in the future.翻译, Of the two TV sets, this one is ____(cheap). .适当形式 Two sets of LNG plants were developed by the Cryogenic Center of the Chinese Academy of Science 麻烦大家帮忙翻译一下这句英文（语言学）the series correlate to two sets of words possessing differently voiced initials,and the contrast between them correlates to the voicing distinction previously opposing those initials.（initia fork fork