1 .______ he opened exhibitions at leading galleries in several countries .
A After graduating from the State Academy of Fine Arts in 1972 B Since he has lived in Europe for much of his artistic life C When he has finished his thesis on the development of art in his country D Before he wins the academy award of fine arts E Although his paintings are supposed to be found in several museums around the world
2 ._____ , but no conclusive evidence has yet been found to substantiate this .
A Some books well chosen are of greater use than a library B The earth revolves around the sun in 365 days and 6 hours C He couldn ’ t understand the reason why his wife bought him a ring for his birthday D A few scientists believe that some dinosaurs may have given birth to twins
The discipline committee found the students guilty as regards to the latest testimonies of E the witnesses and the other proofs 3 . It is not advisable to can some fruits such as avocados _____ .
A that most of the experts agree with each other B since cans protect the vitamins in the foods in the most desirable and healthiest way C because of the changes in taste and texture that occur D if you can have most of the other tropical fruit E where they haven ’ t seen the sun for weeks
4 . Since many underdeveloped countries do not keep complete records _____ .
A it had been really easier to follow the winners in the Olympic games B world figures for population changes are much more difficult to compile C that ' s why most of the sports commentors are fond of African champions it is estimated that the population of the world has risen twice as much as it was ten years
D ago they were of opinion that they didn ’ t have enough technology to keep their history archives
E properly 5 . Several insurance companies have now reluctantly made the decision ______.
A that they should withdraw from the American market B when they had already dealing with the Project C what is accepted by most of investors throughout the world D inasmuch as the whole company members appreciated E while the meeting was still being held
6 . David was clearly the only pupil in the classroom _____ A with whose grades the teachers were completely satisfied