1\In HongKong,cars,buses and bikes usually keep to the left

1\In HongKong,cars,buses and bikes usually keep to the left side of the road.请翻译这句话并讲解.
在香港,汽车、巴士（即公共汽车）和单车通常行驶在靠左的道路.HongKong：香港,cars：汽车的复数,buses：巴士的复数,因为结尾的字母是"s"所以复数加"es" and：和 bikes单车的复数 usually通常 left左road：道路.
2\she looked for her watch here and there.look+ed是不是过去时.是,英语书后附有常用单词的过去时形式.
3\restaurant是什么意思?餐馆.
4\show sb the way to如何翻译?告诉某人某路去哪.