I found ---- difficult to learn English grammar.

学习时间:2026-04-03 08:50:24 阅读：54

I found ____ difficult to learn English grammar.A it B that C it is D that is 为什么选A不选C

执着的果汁

2026-04-03 08:50:24

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it作形式宾语,没有实在意义。真宾语是后面的动词不定式短语。C项时态不对,is改成was才能与前面的found保持一致,这样就成了复合句,it就成了宾语从句中的形式主语。希望有帮助!