Fill in: allergic, stiff, strike, painful, backache, pain, peak, injury ( There are two extra words) :
1. Sitting in front of a computer all day can give you a …… neck.
2. Mary has a sharp …. in my chest.
3. Ann’s leg injury was so …. that she had to be taken to hospital.
4. He has a(an) ….. because of car accident.
5. I have a terrible …..
6. I think I must be ….. because my nose is running and my eyes are watery.