Revision for the exam

These few next days we are going to do several exercises in order to revise the contents of this unit:

P. 52: 4, 6 a, c; 8, 10 (d, e, f), 11 (d, e, f), 13, 14. 
P. 53: 19, 20 a, b; 22 a, d; 24 a, b; 28.

P. 49: 1, 2.

P. 52: 6 b, d; 9, 12 (d, e, f). 
P. 53:17, 18, 20 c, d; 24 c, d;
P. 54: 30, 31, 33. 

And here you are the evaluation criteria sheet. It will help you to  check what you have to know about this unit.