单选题 Hearing the bad news, I couldn't ____ my tears.

单选题 The actor amused the audience by ____ some well-known people.

单选题 We are all ____ grateful for your help and encouragement.

单选题 Several hundred people ____ the ballroom dance floor.

单选题 The reason our schools cannot ____ better teachers is because people here are poor.

单选题 It occurred to her that she might ____ a homeless child.

单选题 Everyone in the class is expected to ____ the discussion.

单选题 We ____ to go when the telephone rang.