1.  A warm, waterproof jacket is the first thing you need for mountain walking.

2.  And the first thing that hits you is the heat and the incredible, oppressive humidity.

3.  And when we first came upon the hot spring, the first thing I heard was the beeping sound.

4.  Establishing trust is the first thing a good teacher does with any student.

5.  If you suffer from body odour, the first thing you need to do is control your sweating.

6.  If you talk about people helping themselves, I guess the first thing is investing in education and health.

7.  In this case, the first thing to go was his appetite.

8.  Jackie said the first thing that came into her head.

9.  One afternoon I got home from a business trip, and the first thing I did was check my voice mail.