1.too worried --so worried:(so...that...是固定用法)
2.fairly common 前加a,因为phenomenon是单数名词
3.With the college --Before the college ...指高考前
4.are suffering --is suffering :(many a +名单,作主语时,谓动用单三)
5.what to deal with -- how to deal with :(怎样处理)
6.full--fully(修饰动词prepare用副词fully )
7.it is no need --There is no need (没必要做某事:There is no need to do sth.)
8.In addition to --In addition此外/而且
9.but you can --and you can(祈使句+and +陈述句)
10.believe--believing动名词作主语