Дайте для следующих слов а) синонимы: to start, movement, nowadays, quality, research, various, a means,manufacture,possess, to occur, consequently, numerous, spacecraft, to use, to substitute, certain; б) антонимы: distant, to stop, few, to reduce, invaluable, unusual, dependence, minimum.

Знаю антонимы close, to start , a lot of, to increase, valuable, usual(или можно еще common), independence, maximum