The impact of a teacher ___the life of the students should be ____ enough attention to.

______ you are, _________ mistakes you’ll make.

We pursue happiness，thinking one day we will find it.But_________it by seeking it.

the culture, rather than the language, ____made it hard for him to adapt to the new environment abroad

What about your study–I found ______ very difficult ______ all the subjects well.