UNIT 7 GRAMMAR

http://www.perfect-english-grammar.com/first-conditional-exercise-1.html

http://www.englischhilfen.de/en/exercises/if_clauses/type_1_mix3.htm

http://web2.uvcs.uvic.ca/courses/elc/studyzone/330/grammar/1cond1.htm

UNIT 7 AT THE SURVIVAL CAMP

VOCABULARY

How to build a survival shelter