— You ought to have called her yesterday . — Yes , I know I ____ .
20. When a stick is partly in a glass of water, it looks ________ it were broken.
19. Have a little chicken, ______?
17. Besides our group ,we need 20 extra workers to get the work finished in time.
16. She became very popular after she won the Oscar ________ last year.
15. The hiding man made a hole in the wall ______ he could observe the outside.