EX 1
1 The shuttle is flown into space.
2 The tests were done yesterday.
3 The new brand has been launched.
4 Our questions haven’t been answered.
5 The new plane was built in Seattle.
6 Tennis can be played in the morning.
7 A new environmental policy has been announced by the President.
8 The rockets are fired from mission control.
EX 2
2 It was announced by the Prime Minister today that he
would resign within the week.
3 It is the third time that the Earth has been hit by an asteroid in recent years.
4 The bridge was built by people in the 1920s.
5 The emergency meeting was organised by our managing director.
6 The criminal was sent to prison by the judge for three years.
EX 3
1 an; 2 –; 3 a; 4 the; 5 –; 6 a; 7 –; 8 the; 9 the; 10 –, the
EX 4
1a; 2e; 3d; 4b; 5c
EX 5
1 made; 2 doing; 3 do; 4 built; 5 test; 6 found; 7 solved; 8 meet
EX 6
1a; 2a; 3c; 4b; 5c; 6b
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