Present perfect simple

Mark (grow) __________three inches in the last six months!

My dog (bury) _______many bones in the backyard.

Teresa and Anne (talk) _______ to their landlord many times about the broken

light fixture in their kitchen.

Unfortunately, he _____(fix, still, not) it.

I ________(visit) New York City many times.

Elizabeth_________ (catch) three colds this winter.

Because of this, she ______ (go, not) skiing since December.

Tom _______- (decide) to join a health club.

Rita ______ (write, not) a letter to Paul since the beginning of the semester.

Paul wonders why Rita (answer, not) ______ his letters.