11. Had it not been for the homework, I could _______ to the concert with my friends.
(A) can go
(B) will go
(C) has gone
(D) have gone
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統計: A(28), B(33), C(28), D(397), E(0) #2556037
統計: A(28), B(33), C(28), D(397), E(0) #2556037