Go on working!

Here is the set of exercises that you have to look through so that you will be able to pass the test in one lesson! Good luck! 
WB Ex.16 p.28
WB Ex.20 p.29
WB Ex.21 p.29
WB Ex. 22 p.29
 GB Ex.11 p.42
GB Ex.12 p.43
GB Ex. 13 p. 43
GB Ex. 14 p.44
GB Ex.16 p.45
GB Ex.17 p. 45
GB Ex. 21 p. 47