The Business pi answer key


Grammar  Past simple and present perfect



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The Business PI Answer Key

8.3 Grammar
 Past simple and present perfect
1
1 since
2 for
3 since
4 since
5 for
6 for
7 since
2
1 Have there been
2 happened
3 resigned
4 did they make
5 moved
6 sold
7 bought
8 Has Siemens moved
9 have taken over
10 was
11 has been
12 have been
3
1 How long has he been the European Agent for the franchise?
2 How long have you had outlets in Asia?
3 How long has Sue known the CEO of the American division?
4 How long have they been in the oil business?
5 How long have you had an agreement with them?
6 How long have you seen this problem with the European market coming?
4
1 opened
2 has 
been
3 took 
over
4 has 
had
5 announced
6 has 
been
7 closed, 
moved
8 decided, has focused


13
Answer key
5
1847
Werner von Siemens establishes the Siemens and Halske 
Construction Company in Berlin.
1870
The company constructs the Indo-European telegraph line 
between London and Calcutta.
1879
Siemens presents the fi rst electric railway at the Berlin Trade Fair.
1919
Siemens forms a joint venture with two other manufacturers of 
light bulbs. The joint venture company is called Osram.
1924
The company installs the fi rst automatic traffi c lights in Berlin.
1939
Siemens starts producing the electron microscope.
1945
Reconstruction of the company begins. Over 80% of the 
company’s assets were destroyed in WWII. 
1953
Siemens develops a method to produce ultra-pure silicon and 
enters the data processing industry.
1964
Construction of the world’s largest satellite communications 
station in Bavaria, Germany begins.
1966
Siemens becomes a German public limited company, Siemens 
AG.
1967
Siemens sets up the company Bosch-Siemens to produce 
household appliances.

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