Manyofusenjoywa的精选

问题详情：完形填空  阅读下面短文，掌握其大意，然后从各小题所给的4个选项中选出最佳选项。Manyofusenjoywatchinganimalsintheworld.Butdoyouknowtheycanteachus?Geese(雁),forexample,teachaverygoodlessonabout  1...