1.neither of us,none of them在句中作主语时是否都当做单数看待?none of them 是不

1.neither of us,none of them在句中作主语时是否都当做单数看待?none of them 是不是可当做复数?
neither of us单数 none of them 单复数都可
2.一道选择题：
There ____ no factories,hospitals,schools here fifty years ago.
A.was B.were
为什么选A?
应该选B,就近原则,与no factories一致
3.—Bill had nothing for breakfast this morning,_______
—______ ,he got up too late.
A.had he;Yes B.hadn't he;Yes C.did he;No D.didn't he;No
为什么选A不选C?不是有一个说法是：事实是否定的,就应该回答No吗?根据题意,Bill没吃早饭,就应该是No啊?
你说的是否定疑问句,如：didn't you...won't you ...,这一类的句子.
Bill had nothing for breakfast this morning,_______ .是一般的反义疑问句,只是句中有nothing所以把前边的句子当做否定来看.后边的问句用肯定.
这里是：yes,he had nothing.