source: English Lessons with Adam 2014年01月17日
http://www.engvid.com
quiz: http://www.engvid.com/turn-phrasal-ve...
--turn on / turn-on
--turn off /turnoff (no hyphen)
--turn up
--turn down
--turn over
--turnover
--turn around
--turn in
# Click this line for more grammar videos on phrasal verbs
--turn on / turn-on
--turn off /turnoff (no hyphen)
--turn up
--turn down
--turn over
--turnover
--turn around
--turn in
# Click this line for more grammar videos on phrasal verbs