问题

I’llgototheteachers’officeassoonasIfinishwhatI_____. [ ]
A:wasdoing
B:amdoing
C:havedone
D:hadbeendoing
B:amdoing
C:havedone
D:hadbeendoing
正确答案是:
同类题型
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ter how hard he worked, ___ ____
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