s6walkehbugeualeyke s6walkehbugeualeyke 01-02-2017 English contestada HELP I WILL UPVOTE How should sentence 21 be revised? (21) Because she studies very hard and never gives up Maria has maintained a grade point average of 3.0 or higher throughout high school. add a comma after 3.0 add a comma after up add a comma after maintained add a comma after hard
