试题 试卷
题型：单选题 题类：常考题 难易度：普通
人教新目标(Go for it)版初中英语七年级下册Unit 4单元测试卷
—OK.
—I'm sorry. Children swim alone here.
— Lei's lake the airport bus. It ____________ only 20 minutes and it's cheaper than taking a taxi.
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