Раскройте скобки, используя Past Perfect.
Until the 1940s, not many people (1) (stay) in the Arctic for long. Those first
brave scientists wanted to study the weather, but studying it from the Arctic (2)
(not/be) tried before. After they (3)
(build) a warm place to live, they set up a weather station and began to monitor the weather. But although some of them (4)
(study) at the best universities, none of them knew anything about life
in the Arctic. For example, when they (5)
(be) there for a few months, they
realized that they (6)
(go) a bit crazy, probably from being so far from other people.
None of the group (7)
(see) the Aurora Borealis before - those strange lights
in the sky above the North Pole. Nobody (8)
(tell) them how cold it was either! (11)
(not/have) a good long bath. You can be sure that they did all of these
things after (12)
(come) home, and they really enjoyed them!
By the time their six months on the station ended, the scientists (9)
(not
/ eat) a burger, they (10)
(not/ drink) a cup of coffee in a café, and they!
Объяснение:
had stayed 2 hadnt been 3 had built 4 had studied 5 had been 6 had gone
7 had seen 8 had told 9 hadnt eaten 10 hadnt drunk 11 hadnt had 12 had come