Here are the best options for each question:

**17.** How often do you **take** exams at school?
- Correct answer: **A** (take)

**18.** I have to **do** lots of homework and **give** presentations at school.
- Correct answers: **B** (do), **B** (give)

**19.** The teacher gives students **advice** on their social media addiction.
- Correct answer: **B** (advice)

**20.** Many students took part in the school trip last weekend.
- Correct answer: **A** (a lot)

**21.** A: “Why don’t we go to the cinema?”
B: “Sorry, I can’t.”
- Correct answer: **C** (That’s wonderful)

**22.** You **mustn’t** cheat on your exams; it’s against the rules.
- Correct answer: **C** (mustn’t)

**23.** What does each notice mean?
- Correct answer: **A** (Only students can use the art room.)

**24.** Only teachers can use the science room.
- Correct answer: **A** (Only teachers can use the science room.)

**25.** Mom said I should **surf** the Internet to **look** for useful information.
- Correct answer: **A** (look)

**26.** My sister gave me a lot of **advice** on how to **make** friends at school.
- Correct answer: **A** (advice)

**27.** Can we **participate** in after-school activities, please?
- Correct answer: **B** (take part)

**28.** Unless you study harder, you’ll **fail** the exams.
- Correct answer: **A** (fail)

**29.** Doctors say that teenagers should change their **unhealthy** lifestyles. (HEALTH)
- Correct answer: **unhealthy**

**30.** Nowadays, many teenagers are suffering from social media **addiction**. (ADDICT)
- Correct answer: **addiction**