Choose the right option for each gap.

1. A: I’m getting colds and headaches on a regular basis.
B: You’d better ... to the doctor.

2. A: Do you know any good ways of ... stress levels?
B: I hear that some people meditate every day.
3. A: I can’t lose any weight, so I’ve decided ... a dieting club.
B: Good idea! I lost loads of weight when I joined one.
4. A: Josh wasn’t at the lesson today and the teacher was very angry.
B: He’d better ... a good excuse or he’ll be in trouble.