Об­ра­зуй­те от слова THOROUGH од­но­ко­рен­ное слово так, чтобы оно грам­ма­ти­че­ски и лек­си­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

Having __________________ studied them, scientists came to the conclusion that these were the hands of women.