Left ____ in the reading room alone quite by accident, the boy felt nervous.A．lo_刷题宝

题干

Left ____ in the reading room alone quite by accident, the boy felt nervous.

A．locking	B．having locked
C．to lock	D．locked

上一题下一题 0.64难度单项选择更新时间:2015-12-04 05:20:23

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