题目内容
— Mike, don’t ride your bike ________ the lake. You may fall into it.
— Thanks, Mum. I will not get too close to it.
A.in B.on C.at D.by
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题目内容
— Mike, don’t ride your bike ________ the lake. You may fall into it.
— Thanks, Mum. I will not get too close to it.
A.in B.on C.at D.by