题目内容

【题目】If there no buying and selling of animals, there no killing in nature.
A.is; will be
B.will be; will be
C.is; is

【答案】A
【解析】句意：如果没有动物的买卖，就不会有自然界的杀害。if引导的条件状语从句，句中时态遵循“主将从现”的原则。另外. 主从句中分别有there be句型， there be句型中be的形式依“就近原则”，buying and selling意为“买卖行为”，是一件事，be动词用is，故选A。

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