2. unknown
3. unnormal
4. uncomfortable
5. untasty
To be - was/were - been
to decide - decided - decided/
1.D
2.B
3.B
4.B
5.A
6.B
7.C
8.A
9.D
10.B
11.D
12.C
13.D
14.B
15.A
1. The place is very dull. Even if it (had not been raining) the whole week, we (would not have enjoyed) our holiday.
2. If you (had not interfered), they (would have forgotten) all about it in an hour.
3. If you (had trusted) me, I (would have been able lead) you safely through.
4. The dinner (would not have been spoiled) if you (had not forgotten) the dish in the oven.
5. She (would have known) how to behave if she (had been) a born lady.
6. He (would not have taken) this case even if he (had been asked).
7. The accident (would not have happened) if you (had been) more attentive.
8. She (would have gone) there even though she (had had) to walk all the way.