下列各组词语中没有错别字的一项是（ ）

Mr Harris apologized ______ the children ______ the lady ______ what they had done

53. In 1989, a(n) _______law was passed by the United Nations to stop people putting waste into sea.

Though sending text messages or writing micro-blogsallows us to exchange thoughts, bits and pieces of online connection can’t______ for a “real conversation”.

Have you been to Hong Kong before ——____, I _____ there in 1997.