11.If I had remembered to close the window, （小偷就不会进来）.

12. Ill never forget （第一次和你见面）.

13.Mary rushed into the room, （抱着一个大纸箱）.

14.A minute ago the old lady （撕开信封）with great excitement.

15.My washing machine broke down this morning. （我打算明天把它送去修理）.

16.The report said that the sample water had too much lead in it, （可能对我们的健康有害）.

17.（信已经写完了）by the time you come back.

18.（尽管不富裕），they feel quite satisfied with their standard of living condition.

19.（我以前常去看电影），but I never get the time now.

20.The pictures make （孩子们理解文字更容易）.