(　　)6. Many students spend too much time ________ on-line games, and forget to do their homework.
(A) play　
(B) to play　
(C) playing　
(D) played

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統計： A(3), B(33), C(77), D(3), E(0) #359718

詳解 (共 1 筆)

#974262

spend+Ving

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