题目内容：

是Do they like swimming,还是Does they like swimming?

优质解答

应该是Do they like swimming?
因为they（他们）是第三人称复数,所以用do.
而如果主语是[第三人称+单数],就用does.(he,she,it)
其他的[第一/二人称]或[第三人称+复数],就用do.(I,you,we,they)