The little girl often has a ________ pull at her mother’s clothes when they cross the street.
------You ran into Mr. Li! How did that happen? ------Well, _______ of us was looking where we were going. We came around the corner at the same time.
It’s ____ you behave in difficulties that shows what you are really like.
According to the rules, students ______ get grades not lower than 85% in any subject in order to get the scholarship.
The young scientist has made such great achievements in his chosen field ______ nobody else can make.
We were told not to touch the equipment in the laboratory unless ________.