Here's how to approach the questions you've provided:

### PART 1: PRONUNCIATION
1. **Choose the word whose underlined part differs in pronunciation:**
- **A. task** (the "a" is pronounced as /æ/)
- **B. scooter** (the "oo" is pronounced as /uː/)
- **C. school** (the "oo" is pronounced as /uː/)
- **D. science** (the "c" is pronounced as /s/)

**Answer**: A. task

2. **Choose the word whose primary stress is placed on the second syllable:**
- **A. competition** (stress on the third syllable)
- **B. competitor** (stress on the second syllable)
- **C. afternoon** (stress on the second syllable)
- **D. economic** (stress on the third syllable)

**Answer**: B. competitor

3. **Choose the word whose primary stress is NOT placed on the second syllable:**
- **A. vacation** (stress on the second syllable)
- **B. become** (stress on the second syllable)
- **C. design** (stress on the second syllable)
- **D. cycling** (stress on the first syllable)

**Answer**: D. cycling

### PART 2: USE OF ENGLISH
5. **Choose the option that best completes the following sentence:**
- "Henry usually plays badminton __________ Sundays."
- **A. in**
- **B. at**
- **C. on** (correct preposition)
- **D. into**

**Answer**: C. on

6. **The train to Texas __________ at 9:45 every morning.**
- **A. depart**
- **B. departs** (correct)
- **C. departing**
- **D. is departing**

**Answer**: B. departs

7. **Her friends usually go __________ when they have free time.**
- **A. shopping**
- **B. to shop**
- **C. shop**
- **D. the shops**

**Answer**: A. shopping

8. **What do you like doing in your free time?**
- **A. I dislike swimming.**
- **B. Oh, that's good.**
- **C. Let's go out for dinner.**
- **D. Going out for a walk.**

**Answer**: D. Going out for a walk.

9. **__________ is the sport of moving over the ground wearing shoes with wheels.**
- **A. Cycling**
- **B. Roller skating** (correct)
- **C. Skiing**
- **D. Karate**

**Answer**: B. Roller skating

10. **Sue likes __________ activities, such as playing soccer, cycling and camping.**
- **A. outdoors**
- **B. indoor**
- **C. outdoor** (correct)
- **D. indoors**

**Answer**: C. outdoor

11. **Alex loves doing arts and crafts, and he likes __________ clothes, too.**
- **A. designing** (correct)
- **B. to designing**
- **C. designs**
- **D. designed**

**Answer**: A. designing

12. **Jack:**
**Timmy:** I played in the park with my classmates.
**A. What do you do on Mondays?**
**B. What did you do last Monday?** (correct)
**C. What are you doing on Monday?**
**D. Are you playing in the park on Monday?**

**Answer**: B. What did you do last Monday?

13. **They dislike watching a movie __________ because the movie theater is often too crowded.**
- **A. on the weekend**
- **B. in the weekend**
- **C. in weekend mornings**
- **D. [choose appropriate option]**

**It looks like part of the question is missing, but "A. on the weekend" is commonly correct for this context.**

Feel free to ask if you need further assistance!