__________ room is clean and tidy. [ ] A_爱下问搜题

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问题选择题

__________ room is clean and tidy. [ ]

A. Lily's and Lucy's

B. Lucy and Lily

C. Lucy's and Lily

D. Lucy and Lily's

答案

答案：D

选择题

-Why do you feel sad?

-I the math test. [ ]

A. fail

B. fails

C. failed

问答题简答题

局部排风系统设计应遵循哪些原则？