I.
1. B
2. D
3. A
4. A
5. D
II.
1.? If we don't hurry up, we will be late for the last bus
2. If it is hot tomorrow, we can go swimming
3. If he hadn't gone out in the rain last night, hw eouldn't have had a flu
4. If she didn't drink too much coffee, she wouldn feel sleepy
5. If they understood the problem, they would find a solution
6. If i hadn't lost her phone number, i could have phoned Sally
III.
1. Continue - will lose
2. Have
3. Had
4. Would have gone
5. Were - would visit
6. Were - would know
IV.
1. C
2. D
3. B
4. B
5. D
