Jawaban:

1. Mala and Yovita are studying in the bedroom.

(-) Maia and Yovita are not studying in the bedroom.

(?) Are Maia and Yovita studying in the bedroom?

2. Siska is recording in the studio.

(-) Siska is not recording in the studio.

(?) Is Siska recording in the studio?

3. Mika and Ella are going to the bookshop together.

(-) Mika and Ella are not going to the bookshop together.

(?) Are Mika and Ella going to the bookshop together?

4. My mother is making some biscuits in the kitchen.

(-) My mother is not making some biscuits in the kitchen.

(?) Is my mother making some biscuits in the kitchen?

5. You are borrowing some books in the library.

(-) You are not borrowing some books in the library.

(?) Are you borrowing some books in the library?

Penjelasan:

Bentuk Contraction (bentuk singkat) dari is not adalah isn't dan bentuk singkat dari are not adalah aren't. Bentuk am not tidak bisa disingkat.

Semoga membantu ya.