Last Saturday, my father ____ that his dinner suit was

too small, so now he ____ a strict diet.

• has discovered / followed

• discovers / was following

• discovered / is following

• was discovering / has followed

• has been discovering / will follow

Helen ____ her driving test five times so far without

success, but she ____, yet.

• takes / isn't giving up

• has taken / hasn't given up

• was taking / didn't give up

• is taking / doesn't give up

• took / wasn't giving up

Most of the time, John and his friends ____ football matches at their local coffee, but this Saturday, they____ to the stadium, and so they're all very excited.

• watch / are going

• have been watching / go

• are watching / have gone

• were watching / went

• have watched / were going

Kate ____ a vegetarian for eleven years now, and she____ meat at all during this time.

• is / isn't eating

• has been / wasn't eating

• is / doesn't eat

• has been / hasn't eaten

• was / didn't eat

The conditions in our office ____ more and more unbearable, so quite often recently I ____ quitting it and looking for a new job.

• have got / was considering

• was getting / am considering

• are getting / have considered

• have been getting / consider

• get / considered

Clean snow ____ as much as 87 percent of the sunlight that ____ on it.

• is reflecting / shone

• has reflected / was shining

• reflected / is shining

• was reflected / has shone

• reflects / shines

He ______ to unlock the door to his flat because the telephone ________ .

• was hurrying / rang

• hurries / has been ringing

• hurried / was ringing

• is hurrying / rings

• has hurried / has rung

There ____ economies since the dawn of civilisation, but as a field of study, economics ____ only recently

• were / was developing

• have been / has developed

• are / has been developing

• were / is developing

• have been / develops

John Deere ____ his farm machinery business, which____ tractors today, in the 19th century.

• founds / still produced

• has founded / is still producing

• was founding / was still producing

• founded / still produces

• is founding / is still produced

The fact that more people ____ ozone-friendly products nowadays ____ that the media can positively increase public awareness.

• have used / was showing

• used / has shown

• use / has been showing

• were using / showed

• are using / shows