PREPOSITIONS of SPACE and TIME (Pre-Intermediate Level). 8000 zaps for lifetime access to this lecture + 13.5 hours of other lectures + 40 quizzes. Zap this note 10000 sats, and I will even include a 30-minute live class on Hive Talk. More info: https://www.skype-lessons.com/courses/master-english-pre-intermediate