_______the Internet is bridging the distance between people, it may also be breaking some home or will cause other family problems.
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 .
I really don’t know why he hates everything we _______.