试题 试卷
题型：单选题 题类：常考题 难易度：普通
内蒙古包头市青山区2020届九年级上学期英语第二次月考试卷
—Yes. It's _______ the most popular way of sending traditional holiday presents now.
—You're right. We can't be ________ careful while crossing the street.
—Yes. We should wear sweaters to keep warm.
—Yes. I have _______ locked them.
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