1.This exam is a real c_____.Please study hard for it.2.Most

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1.This exam is a real c_____.Please study hard for it.2.Most children can not c___ on one thing fo
1.This exam is a real c_____.Please study hard for it.
2.Most children can not c___ on one thing for a long time.
3.Don't you remember ____(borrow) 100Yuan from me?

challenge
这测试是个挑战.
concentrate on
专注于……
borrowing
remember doing=remember having done

1.This exam is a real c_____.Please study hard for it.2.Most It is the most important for you to study hard . This exam is a real c_.I don't think I can pass it. 1.Most students find it hard to get a good score on the exam 1.Study hard,and you'll pass the english exam.改为条件状语从句.2.It 1.This is Lucy's book.please give( ).A.back it for her B.it — How hard you study,Tom!— Well,this exam is really importan It is important _us _ study Euglish hard.A.to,to B.for,to C. This is a _______,and it is helpful for your study. ______ things is to study hard A The most important B Most i you think it is a good habit to study hard 连词成句 is,English,if,us,hard,to,hard,learn,for,it,study,well,e