I met my teacher _____ I was walking in the street, but I didn’t say hello to him.

How_________I help them to understand when they won’tlisten to me

Plenty of latest news and information are often covered live on CCTV-1.— That’s true. ________important news channel CCTV-1 is!

.I’m not sure whether everything can be added into my journal, such as my thoughts, or a commentary on a movie.______, I waste a lot of time to consider what I should write.

You should ________ the facts related to this problem, which can make others know you are innocent.[ ]