Question

Ali just been to Dubai.

have
has
is


.What has just ?
happen
happens
happened


I have just.. English
study
studying
studied

Answer 1

1) Ali has just been to Dubai.

2) What has just happened/

3) I have just studied English

Step-by-step explanation:

Answer 2

Ok, I’m pretty this is what you meant here. So.

1. Ali has just been to Dubai.

2. What has just happened?

3. I have just studied English.

Hope this helps :)