He started to learn English in 1990 and in the years ________ he kept on using it in his work.
– Have you moved in the new house? – Not yet, the rooms ____.
Do you know the man ____ my teacher just shook hands?
I should like to buy a house, modern, comfortable and ____, in a quiet place.
New York is a nice old city, ____ I visited last summer.
A bus, ____ some taxis, was used to send the patients to the nearest hospital.