A:
a) That's a good idea. (2)
b) I think we should go out after the lessons. (1)
c) I'm not sure because I haven't got much money. (4)
d) Why don't we go out for a meal? (3)
e) Ok, let's go for a coffee to Butler's café. (5)
В скобках в конце написано в каком порядке предложения должны стоять в диалоге. Это для задания 4.3 В.