Open the brackets using correct tense and voice forms 1 at all international fairs there (be) commercial centres where talks (hold) when deals (negotiate) and contracts (sign). 2 you (negotiate) the price problem when i (come) into the conference room? 3 my boss (go) on a business trip to sweden next week. he (meet) our business partner in stockholm. 4 the book is a bestseller because it (advertise) very efficiently before its publication. 5 the presentation was a success. while the stand-attendant (show) the machine in operation, the designer (speak) about its advantages. 6 our competitors (design) a unique automobile now. if they (complete) their work on time it (exhibit) at the spring fair in paris. 7 from 10 to 12 yesterday simon (be) busy at the fair. he (interpret) at the presentation of his company’s goods. 8 our office clerks (work) efficiently if they (get) good training and the office equipment (maintain) well. 9 - the presentation of our company’s goods (begin) at 11 o’clock. – yes, i know. i (leave) the office in 15 minutes. it (take) me an hour to get to the exhibition centre. – i (wait) for you at the company’s stand. don’t be late. 10 at the 2010 paris fair the general motors company (display) their most popular car models and (arrange) an all-prize lottery where visitors (give) souvenirs with the company’s logo. the stand (attract) a lot of attention.

1 At all international fairs there are commercial centres where talks are being held when deals are negotiated and contracts are signed. 2 Were you negotiating the price problem when I came into the conference room? 3 My boss is going to go on a business trip to Sweden next week. He is meeting our business partner in Stockholm. 4 The book is a bestseller because it was advertised very efficiently before its publication. 5 The presentation was a success. While the stand-attendant was showing the machine in operation, the designer was speaking about its advantages. 6 Our competitors are designing a unique automobile now. If they complete their work on time it will be exhibited at the spring fair in Paris. 7 From 10 to 12 yesterday Simon was busy at the fair. He was interpreting at the presentation of his company’s goods. 8 Our office clerks will work efficiently if they get good training and the office equipment will be maintain well. 9 - The presentation of our  company’s goods begins at 11 o’clock. – Yes, I know. I am leaving the office in 15 minutes. It will take me an hour to get to the exhibition centre. – I will be waiting for you at the company’s stand. Don’t be late. 10 At the 2010 Paris fair the  General Motors company displayed their most popular car models and arranged an all-prize lottery where visitors were given souvenirs with the company’s logo. The stand attracted a lot of attention.