ADMICRO

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

What we know about (A) certain diseases are (B) still not sufficient to prevent them from spreading (C) easily among (D) the population.

 

Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ZUNIA12
ZUNIA9
AANETWORK