Test your voc 26-28-29-30

Here's the link and the quiz which might help you review the vocabulary if these units. 

https://quizlet.com/class/842633/

And this is the link of the vocabulary pdf file

http://vk.com/doc203243204_210642474?hash=9bce981e33d0a52ce0&dl=45b0c84418d92238af