39 Kathy spends many hours________ her term papers.
(A) work on
(B) working on
(C) having worked on
(D) to work on

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統計： A(42), B(703), C(37), D(159), E(0) #1204305

詳解 (共 4 筆)

#3959648

spend 時間+ving

35
0
#2824616
凱蒂花了幾個小時_________她的學...
(共 98 字，隱藏中）
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15
0
#4429708

term paper 學期論文

14
0
#5399970
Kathy spends many ho...
(共 90 字，隱藏中）
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10
0