It is the interaction between people, rather than the events __ occur in their lives, __ is the main focus of social psychology.
He _______ me to come to the party, but he didn’t show up.
There are many beautiful hats here. I really don’t know_______.
________ production up by 60% , the company has had another excellent year.
The reason ________he gave is that he missed the early bus.
His father feels like ________a walk after dinner while his mother would like ______TV at home.