Sure, here are the corrections and answers to the exercises:
I. Complete the sentences using the Conditional (Type 0,1,2 or 3):
- You would have got higher marks if you had studied more.
- If it rains, we will stay indoors.
- If I know a secret, I will not tell anyone.
- Sam would forgive you if you apologized to him.
- If the weather is a bit warmer, we will go for a walk today.
- Milk goes off if you do not keep it in the refrigerator.
II. Complete the sentences using the Conditional (Type 0,1,2 or 3): 7. If Jack had trained harder, he would not be disappointed if you didn't attend the sports festivities on Sunday. 8. If we had enough money, we would get first place in the track event. 9. If we bought new sporting equipment, we could improve our performance. 10. When you drop oil in water, it floats.
III. Fill in the missing word/phrase:
- Thomas likes sandboarding and windsurfing, as individual sports give him the opportunity to rely on his own skills and abilities.
- If Jane does very well in this year's regional tennis tournament, she will be able to join the national leagues next year.
- Dan would have had serious head injuries during the ice-hockey event, if he hadn't been wearing a protective helmet.
- We defeated the opposing team four-nil, as two of their players were sent off the field for not following the rules.
- Tom worked out at the gym every day last week, because he is in training for the next cross-country cycling tour.
IV. Fill in: to, up, off, after:
- Clara is very smart. I think she takes after her dad.
- My new hobby takes up most of my free time.
- Take your jeans and put them in the washing machine.
- Since you have so much time, why do not you take up football.