Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Both Mr. and Mrs. Smith are explaining the children the rules of the game.
A. both Mr. and Mrs. Smith
B. are
C. explaining
D. the children the rules of the game
Đáp án D
the children the rules of the game -> the rules of the game to the children
Cấu trúc explain something to somebody: giải thích cái gì cho ai