Ex.1
1. is
2. are
3. is
4. are
5. are
6. is
7. is
8. am
Ex.2
1. Adam is reading a book at the moment.
2. You are visiting us next Sunday.
3. Sandra is sleeping now.
4. I am helping my parents at the moment.
5. They are looking at you.
6. It is getting cold.
