－Do you have sweet tooth?
－Yes, but I’m on diet now.
| A．a;the | B．不填；a | C．不填；不填 | D．a; a |
－Why has she pulled a long face to me?
－Well, she seems to______about what you said about her.
| A．be telling | B．have been told | C．being told | D．having been told |
Are they still doing the experiment? They're supposed______it by the end of last class.
| A．finish | B．finished | C．to finish | D．to have finished |
－Hi, I didn't know you had come back! Have you finished your teaching in America?
－Yes. I______Chinese there for more than two years.
| A．have been teaching | B．was teaching | C．taught | D．had taught |
Better be more careful______you've made a mistake.
| A．when | B．where | C．and | D．that |
－What about______party you went to yesterday evening?
－Oh, it was boring, you know, party like that!
| A．the; a | B．a; the | C．the; / | D．the; the |