_________ the fact that he was not a trained economist, his achievements were remarkable.
20.The river, ________ banks are covered with trees, is beautiful and it attracts many water birds.
19.From this year’s poor results, one can see ______ many changes have been made in the football team and that, sadly, it is no longer ______ it once was.
18.______ everyone knows, John has made his promise to his parents ______ he will never play computer games again.
17.The movie is to deucate people about environmental problems ______ our planet.
16.With a final conclusion _____, the meeting ended at 4:30 p.m. last Monday.