1. for the first time首次做,在句中充當狀語 the first time充當連詞引導時間狀語從句
The two students met for the first time at the beginning of term
I thought her nice and honest the first time I met her.
It is /was the …time +clause
It is the first time I have been to the Great Wall. It was the first time I had left home.
2.What is it that Joe can’t find in the bath room?
強調句基本結構:“it+ is/was+被強調部分+ that/who”