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

Tel-Corn Corp.'s merger with Voice Messenger Inc  ___________  at a press conference on Monday last week.

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

ATNETWORK
ADMICRO
YOMEDIA
ZUNIA9