he drove the bus very slowly,___ the passengers to enjoy the beautiful scenery.
问题描述：
he drove the bus very slowly,___ the passengers to enjoy the beautiful scenery.
空里面填的是allow,要改变形式吗
答
allowing 逗号后面没有连词连接句子,所以要用非谓语动词, allow 的主语是he 所以用现在分词表主动,做原因状语