If you have a lot of free time, you might go on an extended trip to help (4) _____ homes or improve an impoverished area.Đoạn văn14/32If you have a lot of free time, you might go on an extended trip to help (4) _____ homes or improve an impoverished area.care for show around set up pull downGiải thíchC là đáp án đúng