题目内容
-- _____is that used for?
---_____ the floor.
A.Why; To cleaning | B.What; Cleaning | C.Why; To clean | D.What; clean |
B
解析
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题目内容
-- _____is that used for?
---_____ the floor.
A.Why; To cleaning | B.What; Cleaning | C.Why; To clean | D.What; clean |
B
解析