下列各句中，没有语病的一句是

They don’t know _______ their parents are

Sarah, you are going to Ireland to celebrate St. Patrick’s Day, ______ you— Yes, I’m going to celebrate it with my cousins.

下列词语中加点字的读音完全正确的一组是(　　)

Mao Zedong was___ the first chairman of the People’s Republic of ChinaHe was a great poet.[ ]