试题 试卷
题型：单选题 题类：常考题 难易度：普通
黑龙江省宝泉岭农场学校2019届九年级下学期英语期末考试试卷（五四学制）
—Oh, I __________ my mum, so she was very angry.
—Yes. It's necessary to ensure the passengers' safety.
—We can ______ at any time.
— OK, Mum.
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