乌鲁木齐五十二中
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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:642

— You look great!
— I ______ out. Check out my muscles!

A.will work
B.was working
C.have been working
D.had been working
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— You look great!— I ______ ou