"I will read X graded readers/Books in the holidays"
"I will read X pages of graded readers every day"
"I will read for X minutes every day"
"I will use practice software and websites until my speed is X words per minute"
"I will use practice software and websites for X minutes per day"
"I will watch X TED lectures with/without English subtitles"
" I will read X news articles in the holidays"
" I will read one news article every week/day"
"I will do X quickwrites a week/day"
"I will learn X new words every week/day"
"I will study vocabulary for X minutes every day"
"I will finish/review Malc's lists"
"I am staying near here, so I will go to the holiday EF/CCC/GV X times / every day"
"With my friends, we are going to Skype each other and talk in English X times per week
"We are staying near here, so we will meet X times a week to talk in English"
In summer, do not do book 2 - we will use that in Fall
But Book 3+ OK.
e.g. TOEIC listening practice, TOEFL writing practice, online practice tests
"I will keep a diary every day"
"I will download, read, and listen to the lyrics of one song every week"
"I will sing at least one song every time I go to karaoke in English"
"I will make one post on Line/Facebook/Twitter in English every week"
"I will read the page of a friend or group in English on Facebookevery day"
"I will read the feed of some English speaking friends/celebrities on Twitter every day"
"I will add at least five English feeds to my Twitter, and then read them"
"I will make a English-only Line group with friends and post to it every day"
"I will use my Memrise/Duolingo/other app every day for 10 minutes"
I will watch X movies without subtitles / with English subtitles / after reading transcript
Try the free membership (2weeks-1 month) for Netflix, Hulu, and Amazon Video
e.g. BBC Learning English, Coursera Lecture, listening website, news website
Prepare for next term - read up on the topic, skim your textbook, review the essay genres.