Решение:
Заполняем пропуски в диалоге, используя first conditional.
Sarah: Do you fancy going to the café later?
Claire: No thanks. If I go to the café, I
'll fail my exam on Monday.
Sarah: Really? What do you mean?
Claire: If I go to the café, I
'll see Cathy. If I see Cathy, she
'll invite me to her party. If she
'll invite me to her party, I
'll sleep all late on Saturday. If I stay out late on Saturday, I
'll stay out late on Saturday. If I sleep all Sunday morning, I
'll not do any revision. If I
'll not do any revision, I
'll fail my exam on Monday!