摘要：1157] out for food. Some work ants in the tunnels as guards or workers. [译文] 不是所有的蚂蚁都出去找食物.一些工蚁在坑道中担任卫兵或者工人. A. Not all the ants go B. All the ants not go C. Both the ants don’t go D. All the ants go [答案及简析] A. not all = all not 部分否定.但第二个答案的否定形式不对应该加助动词.

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