I have never imagined the possibility _______ the First Lady Ms Peng is so popular with people in Europe and Africa.

填入下面一段文字横线处的语句，最恰当的一句是(　　)专家表示，汞经常出现在我们的日常生活中，如果对含汞产品使用或处理不当很容易造成汞污染。________________，达到一定量便会对人体产生危害，严重的甚至会造成汞中毒。因此，建议定期进行汞含量检测，并掌握与汞相关的科学知识，做好汞污染的预防工作。

More than 100 students have entered for thecompetition and gainsthe most points will be the winner

The mother was filled with anxiety ______ her daughter might be disabled by the accident.[ ]

May I go to the zoo with you next Sunday—No, you can’t, you have a ticket. I have only one ticket.