Sure, here are the correct forms for the blanks:

IV. Give the correct form of the word in brackets to complete the following sentences.
1. He is certainly the finest **actor** in Hollywood today. (act)
2. He is a serious **artist**, and totally committed to his work. (art)
3. She's very **creative** on the design front. (create)
4. No special **equipment** is needed. (equip)
5. I still find the job **exciting**. (excite)
6. They are afraid of losing their **national** identity. (nation)
7. **Interviewers** rarely ask about his personal life. (interview)
8. He's the **creator** of a successful cartoon series. (create)
9. There is increased volcanic **activity** in the region. (act)
10. She's the highest-paid **actress** in Hollywood. (act)

V. Put the verbs in brackets into the correct form.
1. Mr. Buong **walks** to school every morning. (walk)
2. They **learn** how to use the lawnmower in the garden. (learn)
3. Linda **goes** to the supermarket to buy some sugar. (go)
4. Sometimes I **feel** really lazy to do anything. (feel)
5. Phong and I **study** English in my room. (study)
6. I often **have** breakfast at 7 a.m. at home. (have)
7. She **does** aerobics every morning to keep fit. (do)
8. Nga **likes** playing basketball very much. (like)
9. What time **do you have** lunch every day? (have)
10. Mr. Buong **does not have** any pen, so I lend him one. (not have)