Here are the answers for each blank using the bare infinitive:

**Use the bare infinitive (without to) after most modal verbs and auxiliary verbs:**

1. I can't drive.

1. You won’t **finish** your work, unless you hurry.
2. I’m sorry! I didn’t **hear** you say that.
3. He is still asleep. He must have **taken** sleeping pills.
4. He can’t have **gotten** lost. He has been here so often.

**Use the bare infinitive (without to) after ‘make’ and ‘let’:**

You can't make me do something against my will.

1. I won’t let you **hurt** that animal.
2. He is so funny. He often makes me **laugh**.
3. Do your parents let you **walk** to school on your own?
4. Her parents made her **apologise** for being rude.

**These common verbs can take either the gerund or infinitive with no difference in meaning:**

You have to start **working** harder if you want to achieve success.
You have to start **to work** harder if you want to achieve success.

1. Do you prefer **to drink** tea or coffee?
2. Do you prefer **to drink** tea or coffee?
3. He was about to begin **speaking** when the bomb exploded.
4. He was about to begin **to speak** when the bomb exploded.
5. You must continue **to try** your best.
6. You must continue **trying** your best.
7. Would you prefer **to go** to London or Paris?
8. Would you prefer **to go** to London or Paris?

Feel free to let me know if you need further clarification!