(  )30. I ________ much homework when I was a student.
(A) was did 
(B) used to do 
(C) took time doing 
(D) used to doing

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統計: A(7), B(77), C(2), D(14), E(0) #359957

詳解 (共 1 筆)

#972657

他提到他還是學生時,做了很多功課(是過去的事) 所以用此句型 used to +V

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