Here are the answers to fill in the blanks with the appropriate simple continuous tense forms of the verbs:

1. She **is reading** a book right now. (read)
2. They **are eating** lunch at the moment. (eat)
3. My grandfather **is not watching** TV now. (not/watch)
4. Look! The cars **are going** so fast. (go)
5. Listen! Someone **is crying** in the next room. (cry)
6. **Is** your brother **walking** a dog over there at present? (walk)
7. Now the children **are trying** to pass the test. (try)
8. It's 7 o'clock, and my parents **are cooking** dinner in the kitchen. (cook)
9. Be quiet! You **are talking** so loudly. (talk)
10. I **am not staying** at home at the moment. (not stay)
11. Now my little brother **is lying** to her mother about her bad marks. (lie)
12. At the present, they **are traveling** to Washington. (travel)
13. The team **is not working** in the construction site now. (not work)
14. Oh! Someone **is knocking** the door, I’ll open it. (knock)
15. All of Jack's friends **are having** fun at the concert right now. (have)
16. Hannah **is not studying** French in the library. She’s at home with her classmates. (not study)

Feel free to ask if you need further assistance!