---- I was riding along the street and all of a sudden, a car cut in and knocked me down. ---- You can never be _______ careful in the street.

A car accident happened on the highway because of the heavy fog, but 　　　 no one got seriously injured. 

Medicine depends on other fields for basic information, particularly some of their specialized branches.

No matter how much time I spend planning a class, little things still _____ go wrong. So I had no perfect class and I reflected all the time.

"I wish you’d look at me when I'm trying to speak to you!" the teacher said      .