Time expressions at / on / in
http://www.montsemorales.com/gramatica/PrepstimeImag3-19.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=6259 (theory and exercises)
http://www.montsemorales.com/gramatica/PrepstimeSpot1.htm
http://www.englisch-hilfen.de/en/exercises/structures/prepositions_at_in_on_time.htm
http://www.focus.olsztyn.pl/en-exercises-prepositions-time-test.html#.WHah7VOLTDc
http://www.focus.olsztyn.pl/en-preposition-exercises.html#.WHaiU1OLTDc
http://photodentro.edu.gr/v/item/ds/8521/4777
http://www.perfect-english-grammar.com/time-prepositions-exercise-2.html
http://www.my-english.edu.pl/index.php?id=17
Can you do this jigsaw puzzle?
http://www.englishexercises.org/makeagame/viewgame.asp?id=6259 (theory and exercises)
http://www.montsemorales.com/gramatica/PrepstimeSpot1.htm
http://www.englisch-hilfen.de/en/exercises/structures/prepositions_at_in_on_time.htm
http://www.focus.olsztyn.pl/en-exercises-prepositions-time-test.html#.WHah7VOLTDc
http://www.focus.olsztyn.pl/en-preposition-exercises.html#.WHaiU1OLTDc
http://photodentro.edu.gr/v/item/ds/8521/4777
http://www.perfect-english-grammar.com/time-prepositions-exercise-2.html
http://www.my-english.edu.pl/index.php?id=17
Can you do this jigsaw puzzle?