17. The gentleman could not help but ______ in love with the beautiful girl at first sight.
(A) fall
(B) fell
(C) to fall
(D) falling
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統計: A(57), B(29), C(7), D(22), E(0) #1908552
統計: A(57), B(29), C(7), D(22), E(0) #1908552