81,77,68,52,A27 B35 C43 D47

livelively2022-10-04 11:39:541条回答

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风山水起 共回答了18个问题 | 采纳率83.3%
81-77=4=2²
77-68=9=3²
68-52=16=4²
所以第五个数是52-5²=27,选A
1年前

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[-A27] The last time we had great fun was ______ we were vis
[-A27] The last time we had great fun was ______ we were visiting the Water Park.
A.where
B.how
C.when
D.why
翻译并分析
my_cat1年前5
我爱阿贤 共回答了10个问题 | 采纳率100%
C 先行词是the last time ,所以要用when引导后面的定语从句.
句子结构是 主语 the last time ,we had great fun作定语,was做谓语
when we were visiting the water park 定语从句做宾语,