—What did you do on Saturday?—I spent 3 hours my homework.A．to doingB．to_刷题宝

题干

—What did you do on Saturday?
—I spent 3 hours my homework.

A．to doing

B．to do

C．in doing

D．for doing

上一题下一题 0.4难度单选题更新时间:2019-05-06 03:20:18

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