Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

No one ever improves pronunciation and _______ by watching someone else’s shape of the mouth! You improve your English speaking by speaking, not watching.

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ATNETWORK
ADMICRO
YOMEDIA
ZUNIA9