Sure, let's go through the questions and provide the correct answers:

I. Circle the letter A, B, C, or D to indicate the word whose underlined part differs from the others in pronunciation in each of the following questions.
1. A. hurt
B. temperature
C. picture
D. nature
- The correct answer is A. hurt (The underlined part "u" in "hurt" is pronounced differently from the "u" in the other words).

II. Circle the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
2. A. exercise
B. different
C. exciting
D. dangerous
- The correct answer is C. exciting (The primary stress is on the second syllable, while in the other words, it is on the first syllable).

III. Put the verbs in brackets in the correct form.
3. Sweets (be) are harmful because they may (make) make our teeth decay.
4. It's good for us (go) to go to bed early.
5. Do you fancy (have) having dinner with us tonight?
6. (Build) Building dollhouses (be) is my daughter's hobby.
7. I'd love (go) to go to your club this weekend.

IV. Circle the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
8. My mother is interesting in watching romantic movies in her free time.
- The correct answer is A. interesting (It should be "interested").
9. Everyone need different amounts of energy per day depending on age, size and activity levels.
- The correct answer is A. need (It should be "needs").
10. Does Alex shares his hobby with his brother?
- The correct answer is B. shares (It should be "share").

V. Circle the letter A, B, C, or D to indicate the correct answer to each of the following questions.
11. Don't forget to wear suncream or you might get
A. sunburn
B. backache
C. sunlight
D. headache
- The correct answer is A. sunburn.