There are lots of English books here,and ______ of them is easy to understand A all B each

问题描述:

There are lots of English books here,and ______ of them is easy to understand A all B each

B
all of them 后面的谓语动词应该用复数are
each of them 后面的谓语动词用单数is。正好符合题意。
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b
EACH OF 接 IS

There are lots of English books here,and ______ of them is easy to understand A all B each
选B
因为后面的谓语动词是is,所以用each
用all的话,谓语动词是用复数的

B 后面是is 所以选each all 后要用复数