阿摩線上測驗
2 They lost all their money and jewelry. The thief was believed _____through an unlocked window.
(A) to be entering
(B) having entered
(C) to have entered
(D) entering
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統計： A(16), B(30), C(66), D(42), E(0) #1526511
統計： A(16), B(30), C(66), D(42), E(0) #1526511
