阿摩線上測驗
3. Ms. Simons_________ for nearly 15 years by the time she retires.
(A) served
(B) will have served
(C) serves
(D) had served
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統計： A(8), B(66), C(8), D(68), E(0) #716550
統計： A(8), B(66), C(8), D(68), E(0) #716550
