12. They continued handing out the food until there was ___left .

A. nothing B.none
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12. They continued handing out the food until there was ___left .

A. nothing B.none
答：B是对的。none=no food
A nothing 什么都没有（至少有空气呢？），显然是错的
详细说明如下：
none
　　1)可与of连用；2)谓语动词用单或复数；3)具体指什么人或物；4)一般用来回答how many +n,how
　　　much +n及含any+n引起的疑问句。请看：
　　1)None of us have/has seen him.
　　2)——How many students are there in the room? ——None.
　　3)——Is there any water in the thermos? ——None.
　　4)——How much money do you have on you? ——None.
nothing
　　1)指物；2)谓语用单数；3)一般用来回答含anything的一般问句及what引起的特殊问句。请看：
　　1)——What is in the box? ——Nothing.
　　2)——Is there anything in the sky? ——Nothing.
　　3)——Can you see anything without glasses? ——Nothing.