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___you___outtheproblem,sam?not,yetbutI'mgoingtoa.did,workb.are,workingc.have,workedd.willwork
题目内容：
___you___out the problem ,sam?
not ,yet but I'm going to
a.did,work b.are,working c.have,worked d.will work优质解答
have you worked out the problem ,sam?
not ,yet but I'm going to
a.did,work b.are,working c.have,worked d.will work
我是从事英语 的,不明可问.
not ,yet but I'm going to
a.did,work b.are,working c.have,worked d.will work
优质解答
not ,yet but I'm going to
a.did,work b.are,working c.have,worked d.will work
我是从事英语 的,不明可问.
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