--- The report is difficult to write. --- You can surf the internet, where you can find _____ information and useful expressions.

Peterson used to work in a remote mountain village school, which is only        on foot.

These mistakes are very___________ among students, so we’re not surprised if you also make such mistakes.

 If what parents say is not ______ with what they do, it will have a bad effect on their children. 

He is very popular among his students as he always tries to get them ________ in his lectures.