试题 试卷
题型：单选题 题类：常考题 难易度：普通
新目标（Go for it）版八年级英语下学期期末综合能力评估试题(Ⅰ)
— Of course not. He is good at singing ____ he works hard.
—Yes, when we cross the street we must wait ________ the traffic lights turn green.
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