4 Match 1-6 with a-f.

1. You can take a shower - **d** when the water is warm enough. 2. This puzzle is too easy - **e** because the clues aren't hard enough. 3. Can I have some sugar, please? - **b** My coffee isn't sweet enough. 4. We didn't understand because - **c** the instructions weren't clear enough. 5. He tried to park his car - **f** but the space wasn't wide enough. 6. Her new coat is - **a** smart enough for the party.