3. They were_______________with heavy suitcases and could not run.
(A) embarked
(B) embroiled
(C) encumbered
(D) engrossed
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統計: A(37), B(31), C(166), D(39), E(0) #2027582
統計: A(37), B(31), C(166), D(39), E(0) #2027582