a variety of 和varieties of的用法

a variety of 和the variety of 的区别? the variety of和a variety of一样吗?为什么 a variety of 和varieties of的用法 a great variety of是什么意思 the variety of,a variety of 的区别? all variety of与a variety of有区别吗 a variety of 和the variety of 的区别是什么,他们后面动词用单数还是复数?A variety of students is girls.A variety of students are girls.哪句话是对的? integration of a variety of resources是什么意思? a variety of和all kinds of的区别?最好详细点,能有例子哦. various kinds of和a variety of后面加[c]?[u]? “a variety of”的中文意思是? 用 a wide variety of 造句 用a variety of怎么造句 Eat a variety of nutrient-rich foods. 用a variety of怎么造句 a variety of 和 varieties of的区别?在Longman中的答案：a variety of something：a lot of things of the same type that are different from each other in some way,e.g.The girls come from a variety of different backgrounds.variety of:a type of t 请问kind,a kind of,kinds of,all kinds of,a variety of的意思和区别 various 与 variety一题如下：sound can be produced from __ string instruments.A various ofB variety ofC a various ofD a variety of选什么和为什么 thanks还有其余的为什么不对