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