I was in trouble,he would come to help me out

Do you think it’s a good idea to make friends with your students? —- _____ , I doI think it’s a great idea

A special team was sent to Shandong Province to look into the cause of the train accident, and the investigation suggested that high speed______.

These teenagers don’t know much of the world yet; that’s why they are so easily  _____ .

____ is the population of your city– About seven ____.