rain是名词性的单词,例句:There is lots of rain.rains是三单,例句:It's rains a lot.
rainy是表示天气的名词,例句:It's rainy.
例题The weather report says that it will be __________ tomorrow.
A. rain B. rainy C. rains D.rained
答案:B 考查形容词的用法。此题关键看be动词,be+adj. 如果去掉be,则选择A.
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