Guess what! Susan’s 9－year－old brother managed to solve the maths problem by________.

I’m not surewhether I will have anything else to do this evening____,I will try every posslblemeans to come to your birthday party[ ]

The boy______ the toy _______ this.

________ one of my old friends while doing shopping in a supermarket，whom I hadn’t seen forten years.[ ]

作为年级“汉字听写大赛”的裁判，请判断下列哪位同学的书写有两个错别字。