Question

they are practicing since Morning.chang into ( interrogative)​

Answer 1

Here are 20 Interrogative Sentences Examples;

Whose book did you bring me?

When are the best days to go to the mall?

What kind of music do you want to dance to?

How many topics do you have to study?

Did we make a cake for you ?

What kind of music do you like?

Did you take your vitamin this morning?

Answer 2

Answer:

Have they been studying since morning

Explanation:

I hope this is helpful for you