come to的用法
come to后接名词、数词、代词或不接任何词：
1）谈到, 涉及到: When it comes to physics, he is a complete stranger.谈到物理,他完全是个外行.The school has very good teachers, but when it comes to buildings, the school is poor.这个学校有好老师, 但是从校舍来看很贫穷.
2）表示“合计,总共”,同amount to.—How much does the bill come to?帐单上共多少钱?
3)表示“开始被…所认识,被…所记起.”突然想起(无被动式)--In a flash,the truth came to him. 突然间,他明白了真相.—I was on my way when it suddenly came to me that I had not hung out my washing.我已经上了路,突然想到洗的.东西没有晾出去.—Suddenly,the words of the song came to me.突然间 我想起这首歌的歌词来.
4）发生(在某人身上),降临于(某人):Happiness will come to you as long as you are after it. 只要你追寻它,幸福会降临于你.
5）恢复知觉,苏醒过来: After three hours in the hospital bed, he began to come to.躺在医院床上三个小时后,他开始苏醒过来.