Explain, explained, explaining, explanation, explanatory a) the package includes an booklet b) the instructions are very clear and do not require any further c) it will only take a couple of minutes to how the program works. d) if you are new to this system, almost everything will have to be
b) the instructions are very clear and do not require any further __explanation_.
c) it will only take a couple of minutes to _explain_ how the program works.
d) if you are new to this system, almost everything will have to be explained.
b)explanation
c)explain
d)explained