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-What’s the matter, Lucy? You look unhappy. -Oh, nothing much. As a matter of fa

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-What’s the matter, Lucy? You look unhappy. -Oh, nothing much. As a matter of fa

—What’s the matter, Lucy? You look unhappy.

—Oh, nothing much. As a matter of fact, I ________ of my sisterback home.

A.just thought

B.have just been thinking

C.was just thinking

D.have just thought

 

试题答案

答案:C

提示:
我刚在想…