A. Complete the dialogues with the words in the boxes. gate aisle passport pass suitcasehand luggagedepartures boardCheck-in agent Good afternoon.Passenger Is this where I check in for the flight to Berlin?Check-in agent Yes. Can I have your 1please?Passenger Here you areCheck-in agent Thank you. Is that all your baggage?Passenger Yes, and I've got this bag for 2Is it small enough to take on board?Check-in agent it looks finePassenger Is it possible for me to have a window seat?Check-in agent I'm afraid we only have 3Passenger Never mindCheck-in agent Did you pack the 4Passengeryourself?Yesseats leftCheck-in agent Was your bag with you at all times?Passenger Yes, it wasCheck-in agent Thank you. Here's your boarding 5Your flight will depart either from 6​

1. We were informed that many scientists (were working) at that problem. 2. The foreign tourists asked when the plant (had been put) to operation. 3. We thought that the results of the work (would be) better. 1. They said that they (had been studying) at the library for two hours the day before yesterday. 2. The experiments proved that great economy (could) be realized by using automation. 3. At the press conference the engineers were asked whether they (were carrying out) everything programmed by the scientists. 4. The teacher was sure that all his students (were ready) for the test that day.
5. The newspapers reported that a new engine (had been) launched. 1. The assistants said that they (were looking for) the data which were necessary for their research. 2. The lecturer said that mathematics and science (supply) the principal tools for discovering, testing and stating the laws of nature.