初中英语主谓一致疑问19.Each boy and each girl ____ hard.A.are working B.has_英语解答

初中英语主谓一致疑问
19.Each boy and each girl ____ hard.A.are working B.has worked C.is working D.haved worked 为什么选B
21.No food and no water ____ in the house.A.is B.has C.are D.have为什么选A
两个不可数名词用and连接不是要用复数么、、

人气：328 ℃　时间：2020-06-25 07:11:46

解答

19,B. has worked 和 C. is working 都是对的.
each A and each B做主语时,谓语动词用单数.
21, A. is
No +不可数名词A and no +不可数名词B 做主语时,谓语动词一样用单数.

【俊狼猎英】团队为您解答.