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

After he was appointed sales manager, Bill Haskell achieved improved  ______  between the staff in the sales and marketing departments.

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

ATNETWORK
ADMICRO
YOMEDIA
ZUNIA9