Complete the sentence using 'too' or 'enough' and the word in brackets.

{"q": "6. I couldn’t do the exercise. It was (difficult)", "a": "too difficult"}, {"q": "7. Your work needs to be better. It isn’t (good)", "a": "good enough"}, {"q": "8. I can’t talk to you now. I am (busy)", "a": "too busy"}