Choose the correct answer

8. She doesn't brush her teeth frequently. She is holding her cheek now. I think she has............
A.earache          B.toothache            C.stomachache           D.headache
9. His head is very hot. He looks so tired. T think he has..............
A.a temperature           B.a cough           C.a headache          D.earache
10. .................. is a health problem. People become fatter and put on weight quickly.
A.sunburn           B.headache           C.sore throat           D.obesity
11. Lack.............sleep will make you feel tired
A.in               B.of             C.about         D.at