In this presentation you han review all the topics in Unit 2.

Here you have some online exercices that will help you practice before the exam. 

A/AN – SOME

https://www.englisch-hilfen.de/en/exercises/confusing_words/a_an_some.htm

https://www.english-4u.de/en/grammar/a-an-some.htm

https://www.grammar.cl/Games/Some_Any_A_An.htm

http://www.focus.olsztyn.pl/en-grammar-articles-test-1.html

PREPOSITIONS OF PLACE

https://agendaweb.org/exercises/grammar/prepositions/place-2

http://s.mound.free.fr/skyblues67/prepositions/preposqcm.htm

http://enjoyenglish.free.fr/english/primaire/concentration/where/where.htm

http://s.mound.free.fr/skyblues67/prepositions/prepos1.htm

THERE IS / ARE

https://agendaweb.org/exercises/grammar/there-is-there-are/index.html

https://agendaweb.org/exercises/grammar/there-is-there-are.htm

https://www.englisch-hilfen.de/en/exercises/various/there_is_there_are.htm

http://elovivo.com/introenglish/en/intro_english/lessons_wordlist/basic_english_lesson_08/lesson08a_ex.html

http://www.adelescorner.org/grammar/there_is/thereis.html