根据提示，完成句子或对话。
【小题1】______ and ______ is ______. (11+28=39)
【小题2】—______ (What, What’s) two and three?
—______ (It’s/ They’re) five.
【小题3】—What ______ (is, are) ten and eleven?
— ______ ______.
【小题4】are, thirty-one, in, school, classrooms, there, the (.) (连词成句)
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【小题5】twenty-three, eleven, is, and, twelve (.) (连词成句)
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