Choose the suitable suffix or prefix to form the correct word.
1) I can’t answer this question. It’s ________. (possible)
2) If you have a haircut it will change your ________. (appear)
3) Paul never waits in queues. He is too ________. (patient)
4) Thank you for your advice. You have been very ________. (help)
5) Stealing other people’s money is ________. (legal)
6) Mary was wearing a/an ________ hat. (usual)
7) That was a great film. It was really ________. (enjoy)
8) I totally ________ with you on this subject. (agree)
9) I’m sorry I ________ her message completely. I just didn’t pay attention. (understand)
10)I don’t think I will pass the exam, but I can ________ it in September. (take)

1.impossible

2.appearance

3.impatient

4.helpful

5.illegal

6.unusual

7.enjoyable

8.disagree

9.misunderstood

10.retake