It is going to be____(rain) tomorrow. A.rain. B.rainy.

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用B
be+adj
这句话斗纤还可以改为It is going to rain tomorrow.在这句话中空谨仿rain是动词，
而题晌困目中有be动词，后加形容词。
祝
天天向上

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B.用形容词

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