It is the interaction between people, rather than the events ___ occur in their lives, ____ is the main focus of social psychology.
He looked at the envelope and __________ Jenny’s handwriting immediately.
It is said that more than ten thousand workers have ______ the strike(罢工).
This exam is very difficult. Many students are concerned ________the results.
— Can you help me _________ all the money that I should pay? — Very sorry. Please wait a minute, madam.
______ get a better score, she has been studying hard all day.