1. b
2. g
3. a
4. f
5. c
6. h
7. d
8. e
16.
2 would tidy
3 hadn't lent
4 knew
5 had learnt
6 came
7 talked
8 hadn't left
9 would pay
10 would be
11 had been accepted
12 would stop
17.
2 I wish I had got up earlier.
If I had got up earlier I wouldn't be late for school now.
3 I wish I saved some money.
If I saved some I could buy a bicycle now.
4 I wish I hadn't touched a cooker.
If I hadn't touched a cooker I wouldn't have burnt my finger.
5 I wish I had studied for the test.
If I had studied for the test I could answer the questions now.
1. People used to read by candlelight.
2. She still hopes to hear about him.
3. Joe was pleased that his brother is now drove slowly.
4. I listened to a lecture for half an hour until you fall asleep.