阿摩線上測驗
5. This student ______ getting a lot of homework every day, so he didn't complain.
(A) has to
(B) had to
(C) used to
(D) is used to
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統計： A(15), B(5), C(34), D(74), E(0) #3315134
統計： A(15), B(5), C(34), D(74), E(0) #3315134
