Exercise 1 : Mark the letter A, B, C or Don your answer sheet to indicate the underlined part that needds correcting in each of the following question from 1 to 3.
Q1 : The water and land around the chemical factory are serious polluted
A B C D
Q2 : Hoang has felt much better when he took the pill
A B C D
Q3 : Thanks to television , people can enjoy intersted programs in a inexpensive and convenient way
A B C D
