The one and only thing I ____ is whether you take a good rest！

Loneliness is a feeling _______ people experience a powerful rush of emptiness and solitude.

Take a cigarette, please— No, thanks It’s three yearsI smoked

When I talked with my grandma on the phone, she sounded weak, but by the time we ________ up, hervoice had been full of life.[ ]

I failed in the examination last term and only then ____ the importance of studies.