并列连词and、but、or和so1. and 的用法(1)and 意为“和;又”,用来连接语法作用相同的句子成分。它们可以是单词、短语或分句。例如:John and Tom are our
形容词和副词的比较级①Sam has longer hair than Tom. 萨姆的头发比汤姆的长。②Both Sam and Tom can play the drums,but Sam pla
含有be动词的一般疑问句①— Is this your pencil?这是你的铅笔吗?— Yes,it is. It's mine. /No,it isn't. It's hers.是的,它是。它是我