精选优质文档-倾情为你奉上新概念二Lesson59课堂内容In or out?Our dog, Rex, used to sit outside our front gate and bark. Every time he wanted to come into the garden he would bark until someone opened the gate. As the neighbours complained of the noise, my husband spent weeks training him to press his paw on the latch to let himself in. Rex soon became an expert at opening the gate. However, when I was going out shopping last week, I noticed him in the garden near the gate. This time he was barking