a great many of…, a variety of…后分别加可数还是不可数名词,或者都可以?后面所加的名词前要不要加the?

a good many ,a lot of,a great deal of,a great many of 的区别 a great deal of 和 a great many的区别 a great many 和a great many of 的区别 a great deal 和a great deal of 的区别 a great many ,a great deal ,a great number of的用法 a great/good many good friends还是a good/great many of good friends? a great many和a great many of有区别吗? a great many 造句 A good/great many,a large number of ,a great deal(of)的区别 a great many和a number of的区别 a great many和a number of的区别 a great many of和a great manya great many后面加的名词要有修饰词而a great many of不要是不是这样a great number/deal of和a great number/deal是不是也是如此 a plenty of ,a great deal of ,a good many of,a number of 的区别, a great number of和a great many of的区别 a great many of 和a great deal of的区别 ________ the houses were knocked down in the earthquake.A.A great many B.a number of C.A great many of D.A great deal of __doctors will be sent to the flooded areasoonA A great deal of B A great many of C A great many D A large amount of _new books have been given away since then A many of B a great many of 词组 a good many / a good numberof / a great amount of / a great deal of 的区别、用法词组：a good many a good number of a great amount of a great deal of以上四个词组的区别是什么?