III.Open the brackets using the necessary form of the participle.

1.A letter (sending, sent) from St. Petersburg today will be in Moscow tomorrow. 2.He saw some people in the post office (sending, sent) telegrams. 3.When (sending, sent) the telegram, she forgot to write her name. 4.Some of the questions (putting, put) to the lecturer yesterday were very important. 5.The engineer (putting, put) the drawing on the shelf is the new specialist. 6.While (putting, put) the equipment in operation they damaged it. 7.A line (seeing, seen) through this crystal looks double. 8.A teacher (seeing, seen) a mistake in a student’s work always corrects it. 9.(seeing, seen) the coming delegation, the secretary tried to call her boss. 10.The goods (advertising, advertised) by this company were of low quality. 11.We have no business relations with the company (advertising, advertised) these goods. 12.(advertising, advertised) these goods the company distorted the results of the tests. 13.A word (speaking, spoken) in time may have very important results. 14.Engineers (speaking, spoken) foreign languages can take part in business talks without interpreters. 15.The (speaking, spoken) robot was a great success at the last exhibition. 16.While (speaking, spoken) to Mr Grey some days ago, I forgot to ask him his ideas about this project. 17.They were inspecting goods (buying, bought) the day before. 18.Yesterday we were at the conference (organizing, organized) by the representatives of the new publishing house. 19.Here is the contract form (receiving, received) by me yesterday. 20.It was not easy to find the (losing, lost) documents. 21.I shall show you the instructions (leaving, left) by the boss for you. 22.Have you received the letter (informing, informed) the customers about the changing in terms of delivery? 23.The plan (proposing, proposed) by this group of engineers seems rather interesting. 24.You were to read (writing, written) remarks at once. 25.(strolling, strolled) along the exhibition, I met the Sales Manager of Greemson & Co. 26.”How do you like the exhibition?” he asked, (turning, turned) towards me. 27.When we came nearer, we saw two boys (coming, come) towards us. 28.I think that the stand-attendant (standing, stood) there is an efficient engineer. 29.(talking, talked) to her neighbour in the street, she didn’t notice how a thief stole her money. 30.The (breaking, broken) machine-tool was examined by an expert. 31.The lot of dresses of the latest fashion (buying, bought) from D&G was very expensive. 32.While (buying, bought) any goods, you must be very careful. 33.The (signing, signed) contract was lying on the table. 34.(signing, signed) the contract they hoped that it would be the beginning of their future business relations.

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