A FIRST-AID COURSELANGUAGE FOCUS 1, 2MATCH ONE PART OF A SENTENCE FROM...

1- - TIENG ANH 8 UNIT 9 LANGUAGE FOCUS 1 2
TIENG ANH 8 UNIT 9 LANGUAGE FOCUS 1 2

1-f 

I always keep the window open in order to/so as to let fresh air in.