5. While I _____ TV, my brother was doing his homework.
(A) watched
(B) was watching
(C) watch
(D) am watching

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統計： A(1), B(3), C(0), D(1), E(0) #4010825

詳解 (共 1 筆)

#7540711
考試重點：過去進行式與「while」的搭...
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