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

What is homework? Should it always be done in writing, or can it be oral? Is it ______ connected with the information and tasks from the text books?