句型When is...? It's in... — 英语选择题
题目
Sam写了一个节日谜语：This festival is in the month after September. People dress up and children go trick-or-treating. 下面哪组问答与谜语相符？A. When is Halloween? It's in October. B. When is Christmas? It's in December. C. When is Mid-Autumn Festival? It's in September. D. When is the Spring Festival? It's in January.