Question

【题目】There are nineteen people waiting for the dentist in front of me. I'm the t________.

Answer 1

【答案】twentieth

【解析】

句意：在我前面有19个人在等着看牙医，我是第20个。

根据定冠词the可知此处用序数词表示顺序，根据“nineteen people waiting for the dentist in front of me”可知前面有19个人，我是第二十个，用序数词twentieth。故答案为twentieth。