`15.` I can’t believe that you wrote a seven-page proposal in one day. That _____________ .
A. must have been exhausted
B. should have been exhausting
C. should have been exhausted
D. must have been exhausting
`15.` I can’t believe that you wrote a seven-page proposal in one day. That _____________ .
A. must have been exhausted
B. should have been exhausting
C. should have been exhausted
D. must have been exhausting
Câu hỏi mới
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