(1)A leaf came drifting----from nowhere ,from sky
其中"drifting"的词性是什么? 为什么用"-ing"?它修饰的是哪个词?
(2)the nose,which was of some black composition,wasn't at al firm
"was of some black" 中为什么要加"of"?
(3)Play all the year round 中"round "是什么词性?
(4)there are thing about this though 什么意思?
(5)separat 和 segerate 的区别