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I am tired. I all day.A．am workingB．have been workingC．workedD．have been worked

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I am tired. I all day.A．am workingB．have been workingC．workedD．have been worked

I am tired. I ______ all day.

A．am workingB．have been workingC．workedD．have been worked

试题答案

B

解析

标签：dayworkingballamtired

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