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

She looks because she has a vacation.

She used _____ on the right in China, so she was not used _____ on the left in England at first.

5 On their arrival on the airport, ___________

Are you free after school?-Sorry.I’ve planned to treat a friend of mine to dinner __________ for his help.[ ]