Is this the girl _____ whom I can turn for help? Is she good at this subject? [ ]

It’s _______ of him to do things for others all the time .

I can’t eat more food, I’m_______

While experts ________ delaying the retirement age, some citizens doubt whether they can ________ easily to the new age of workforce.

Sydney promised her that he would always do anything he could for her to ________ of her happiness.[ ]