Here are the corrections for the prepositions:

**GT3: Fill in each gap with a suitable preposition.**
1. The summer holiday is coming. We are all excited **about** going on a long trip to the South.
2. I'll give you ten minutes to come **up** with a better idea.
3. The historical places in my city are open and free **for** everyone on special holidays.
4. Can I ask a favor **of** you, Mark? Could you please move this sofa backwards?
5. Too many tests and exams have put high school students **under** pressure.
6. The president refused to make any judgement **on** the situation.
7. On Xmas, more shopping **is** **done**.
8. The professor broke **off** her lecture when she heard a cell phone ringing.
9. Don't let poachers get **away** with hunting animals. They deserve to be punished.
10. I was named **after** a wealthy relative of my Mom's.

**GT4: Fill each blank with a suitable preposition.**
1. By the age **of** 40, he had written three best-selling novels.
2. Can you distinguish a Frenchman **from** an Englishman?
3. William Shakespeare is known **as** the most famous playwright.
4. He was angry **about** the mistake I had made.
5. We all benefit a lot **from** a better public traffic system.
6. Scientists are very concerned **about** the consequences of climate change.
7. Damage to the building resulted **from** an unusually violent wind.
8. I wish you'd stop complaining **about** your job. Try to finish it.
9. We both thank you **from** the bottom of our hearts.
10. There is no point **in** asking Sam for help.

**T5: Fill each blank in the following sentences with a suitable preposition or adverb particle.**
1. I read the contract again and again **with** a view **to** avoid making spelling mistakes.
2. Some animals sleep **during** the day and look for food **at** night.
3. All the staff is **under** the impression that it's time for the boss to resign **from** his post.
4. The Director has some difficulties **in** carrying **out** the plan.
5. Has it ever occurred **to** you that the twins are quite different **from** each other?