Choose the correct word to give the OPPOSITE meaning

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   critical      didn’t see eye to eye      discord      never      split up      turned sour   
1) Rick and his sister (shared the same opinion on) a lot of things.
2) Her affection for Andrew has (grown stronger) lately. I expect they'll (get engaged).
3) Our relationship (stayed firm)_____ because we (always) understood each other
4)They had a (sweet talk) yesterday.
5) He is very (supportive) of his friends.