阿摩線上測驗
42 We decided to take our vacation during the winter this year_________ we realized that we could save a lot of money
that way.
(A) till
(B) then
(C) so
(D) because
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統計： A(8), B(7), C(11), D(42), E(0) #669025
統計： A(8), B(7), C(11), D(42), E(0) #669025
