Doyou know about 70 per cent of our earth _____ water?A．is covering withB．are co-组卷网

单项选择-四个选项 0.65 引用3 组卷131

Do you know about 70 per cent of our earth _____ water?

A．is covering with	B．are covered with
C．are covering with	D．is covered with

15-16八年级·全国·单元测试

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