阿摩線上測驗
20. Sitting by the window at a table for two, Elliot began _____ his coffee while looking for a third
sugar to add into it.
(A) stirring
(B) stirred
(C) stir
(D) stirringly
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統計： A(552), B(30), C(23), D(3), E(0) #1727126
統計： A(552), B(30), C(23), D(3), E(0) #1727126
