a panei of 还有a portion of 后的谓语动词单复情况,

a panei of 还有a portion of 后的谓语动词单复情况, 还有I have a set of (key). a pair of jean.a pair of trainers还有a box of chocolates是什么意思 a mass of 怎么用还有masses of 有关sets of和a set of 下面还有 a bit of 能修饰 可数名词?还有a bit of 和 bits of 的区别 a lot ,a lot of ,lots of 还有 plenty of 的具体用法? a large quantity of等于large quantities of吗还有还有,a large amount of等于large amounts吗 a box of apple 与a box of apples哪个对?还有a lot of只能修饰可数名词吗? a bit a lot a little区别如题a bit a lot a little a few 还有little lot bit few ..a bit of a lot of a little of用法还有哪几个可以互换使用 a friend of my brother 还有a friend of my brother 两者什么区别? a sense of的所有意思,还有a excellent sense of 为什么有的 a hundred of 加S a hundreds of 有的不加 还有 thousands 也是 a troop of 和a group of 的用法区别还有troop和army的区别, Relationships are not always a bed of roses.还有后面a bed of a sense of 还有speak out 、 keep case with sb have a 还有diffierent kinds of be surprised that a piece of cake同义词,还有came across