—Why did the toy dog stop barking?—The battery must have ________.A．used upB．run_刷题宝

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—Why did the toy dog stop barking?
—The battery must have ________.

A．used up	B．run out
C．given up	D．put out

上一题下一题 0.85难度单项选择更新时间:2019-08-07 09:51:29

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