Review 4,5,6 - Intermediate 1 Teens

I've studied English .......more than 2 years

Present perfect of present perfect Continuous ? I .............. a lot of things since pandemic started

Ask permission to a classmate to open the window

If people start to recycle the plastic....

I.......do my homework (probable)

Which is your favourite subject at school ??

I need to ........out a way to focus in the test

I'm ...... best student in the class.