阿摩線上測驗
22. While Sarah _____ a book in the library to prepare for her upcoming exam, her phone suddenly rang.
(A) read
(B) was reading
(C) has read
(D) reads
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統計： A(41), B(393), C(39), D(36), E(0) #3920221
統計： A(41), B(393), C(39), D(36), E(0) #3920221
