Mark the letter A, B, C or D in your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Câu 1: What we know about certain diseases are still not sufficient to prevent them from spreading easily among the population.
A. What we know about
B. are
C. from spreading
D. among
Câu 2: Meal time also gives children a chance to learn how some of their favorite dishes making.
A. also gives
B. to learn
C. how
D. making
Câu 3: The food that Mark is cooking in the kitchen is smelling delicious.
A. The food
B. is cooking
C. is smelling
D. delicious
A.
B.
C.
D.