Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

In today's competitive markets, even small businesses had better to advertise on TV and radio in order to gain a share of the market.

 

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

ATNETWORK
ADMICRO
YOMEDIA
ZUNIA9