He _____the job well, but he ____so careless.
A.had done; had been | B.could do; was |
C.could have done; was | D.hadn’t done; had been |
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He _____the job well, but he ____so careless.
A.had done; had been | B.could do; was |
C.could have done; was | D.hadn’t done; had been |