Alfred is a marketing specialist. He is making a speech on trade fairs. Listen to the following part of the speech and fill in the blanks.[音频]Attending trade fairs can be an ellnt way to test and open up 1)__ and foreign markets and to find new 2)______. 3)_____ hoping to get the best 4)_____ from atending trade fairs must work out what kinds of products or 5)______ they want to find out and who they want to meet. A(n) 6)____ trade fair can help them to see and 7)_____ new and relevant products or services, find new and 8)_____ suppliers, encounter new ideas and 9)_____ compantes, get 10)_____ with new technologies and make contact with other people in their area of busines.