1) By two o'clock the rain had stopped and we went sightseeing.I've never been in London, and the city made a big impression on me.2) As we were interested in buying kitchen equipment we contacted with the firm Johnson and Co. We haven't had business relations with this company before.3) Where have you worked before you start working for this company? I've worked at one of the largest factories in Glasgow. 4) 4) I know that Mr. Lavrov wasn't at office at 6 o'clock yeasterday. He finished his work at half past five.5) We are interested in telephone equipment of Bell company after seeing it at work. 6) Before buying a TV of Panasonic company we have talked to the chief engineer of sales department.