You may _____ find it hard to get along well with them.
32. ---Why on earth didn’t you answer the phone? ---I’m sorry, but the doorbell _____ too.
31. _____ our earth, otherwise it will be no longer fit for us to live on.
30. ---They are quiet, aren’t they? ---Yes. They are accustomed _____ at meals.
29. _____ the project as planned, we’ll have to work two more hours a day.
28. --- Is Bob still performing? --- I’m afraid not. He is said _____ the stage already as he has become an official.