"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
"This homework is optional but you should do it for practice"
