判断题
Marketers usually use different selling methods.
正确
判断题 Itisveryimportanttounderstandbuyers’behavior.
单项选择题 Internationaltradegivesconsumersandcountriestheopportunityto()goodsandservicesnotavailableintheirowncountries.
单项选择题 Afterhavingseenthe()andsamples,Jennymakesthespecificinquiry.