a amount of,a stock of ,a number of辨别?
a large amount of / a large stock of / a large number of 如何使
a number of an amount of a quantity of区别
a number of 与a stock of的区别
an amount of,a number of,the amount of,the number of的意思与区别?
a amounts of,a amount of,a great deal of,a large number of的区
a series of ,a lot of ,a number of , a amount of后跟的单复数
a large number of ,a large amount of ,huge amount of后加可数还是不可
a number of和an amount of的区别?
a amount of 与the amount of 的用法,它们与the number of和a number of的
a amount of 和the amount of的用法是否和a number of 和the number of 的
a large amount of the amount of
a great deal,a great number of,a large amount of和a plent of的