Réponse:
a:Brian strated talking to Mr.West for twenty minutes ago.
b:We have photocopier since 2012.
c:Suzie is 25 years-old personal assistant for 4 years ago.
d:Claire started writting business letters at 2.00 since 3.30.
e:We moved there last year for our new offices in Manchester.
6:a:Three month passed since Jenny has been employed by our firm.
c:Two years passed since Jenny has been a temp.