Ex2: Circle the best answer (A, B, C or D ) to complete the sentences.
1. Wear ___________ clothes, or you’ll have a cold.
A. less
B. more
C. much
D. a little
 2. John is putting on weight, ___________ he still eats a lot of high-fat food.
A. but
B. so
C. and
D. or
 3.  Americans eat a lot of _____________, so most of them are overweight. 
A. vegetables
B. milk
C. junk food
D. fresh fish
 4. Lam had a ___________ because he stayed in the sun too long.
A. headache
B. cough
C. cold
D. tired
 5. Watch _________ TV as you have homework today.
A. less
B. more
C. much
D. a little
 6. You shouldn’t eat too many sweets,  ____________ you will have toothache.
A. but
B. so
C. and
D. or
 7. Mr. Manh cannot stand up straight because he has a/an ___________.
A. allergy
B. flu
C. backache
D. earache
 8. Mai keeps sneezing and coughing. I think she has _________.
A. sick
B. tired
C. flu
D. sunburn
 9. I have difficulty swallowing food because I have _____________ .
A. sore throat
B.  cough
C. headache
D. temperature
 10. In order to have good _________ , you should eat lightly and laugh cheerfully.
A. healthy
B. health
C. healthily
D. shape
 11. He eats a lot of burger and chips, so he is putting on __________.
A. weigh
B. fat
C. weight
D. weighing
 12. He is very hot. I think he has ___________.
A. sore throat
B.  cough
C. headache
D. temperature
 13. She ate a lot of seafood yesterday. Now, she feels _______________ .
A. cold
B. happy
C. sick
D. stomachache
 14. Eat less high-fat food to keep you from  ___________ fat.
A. get
B. to get
C. got
D. getting
 15. How many calories do you use __________ aerobics for 2 hours?
A. do
B. doing
C. did
D. to do