1.The teacher said that ----------of the boys shoule finish his own work.
A both B all C each D every
2.There are five students in the room.-----------of them has a book.
A each B every C both D all
3.There are not enough apples here,so l can not give you two ----------
A every B each C both D either
4.I saw two thieves coming out of the bank,and --------was carrying a bag.
A both B every C all D each
请问以上几题分别选什么?
理由是什么?
注意!重要的是理由!
PS---------处就是空格