Ex-Cath 4 : 
5.2, 5.8(c,i), 5.13, 5.25, 5.34, 5.45

TP 4 : 
5.1, 5.5(a,b,c), 5.8(a,d,j,k), 5.9(c,d), 5.12, 5.21(a,b), 5.28(e), 5.37, 5.40, 5.46, 5.51, 5.54(2,15)