Unit 4 Ups and Downs

This is the material for Unit 4  Ups and Downs

http://www.4shared.com/file/bh_S6yIdba/Unit_4_Ups_and_Down1.html

Pronunciation Pracitce

http://www.4shared.com/office/n7EOFqX8ce/th-sound.html

http://www.4shared.com/mp3/S3_J7iWdce/th_sound.html