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.25/30In today's competitive markets, even smallbusinesses had better toadvertise on TVand radioin order to gaina shareof the market.(A) Today’s(B) To advertise(C) On(D) To gainGiải thíchChọn đáp án B ⇒ advertise