把下列短语填入每个句子的空白处（注意所填短语的形式变化）：

add up (to)  be concerned about  go through  set down  a series of on purpose  in order to  according to  get along with  fall in love (with)  join in  have got to  hide away  face to face

1 We’ve chatted online for some time but we have never met ___________.
2 It is nearly 11 o’clock yet he is not back. His mother ____________ him.
3 The Lius ___________ hard times before liberation.
4 ____________ get a good mark I worked very hard before the exam.
5 I think the window was broken ___________ by someone.
6 You should ___________ the language points on the blackboard. They are useful.
7 They met at Tom’s party and later on ____________ with each other.
8 You can find ____________ English reading materials in the school library.
9 I am easy to be with and _____________my classmates pretty well.
10 They __________ in a small village so that they might not be found.
11 Which of the following statements is not right ____________ the above passage?
12 It’s getting dark. I ___________ be off now.
13 More than 1,000 workers ___________ the general strike last week.
14 All her earnings _____________ about 3,000 yuan per month.