题目内容
一It's very dangerous to swim in the pool. Look at the sign.
一Oh, I notice it. Thanks for telling me.
A. won't B. don't C. haven't D. didn't
D 【解析】句意：----在游泳池里游泳是很危险的。看那个牌子。------哦，我没注意到。谢谢你告诉我。A. won't一般将来时；B. don't 一般现在时；C. haven't 现在完成时；D. didn't一般过去时。根据上文“在游泳池里游泳是很危险的。看那个牌子。”可知过去没有注意到，应使用过去时，选D。
练习册系列答案
相关题目