I want to sell the house,but ________ I can’t bear the thought of moving.
She could not speak ,nor ______anything we said .
Why many adolescents have trouble communicating with their parents lies in _______we call “generation gap .”
I _______less than a pound a week when I first started work .
_______the cost ,the project will take a lot of time as well .
These professors had interrupted their own research to accept an invitation to _______in an unusual experiment .