28. No decision about any future plan until we have done a thorough research of the teachers’ preference.
| A．has been made | B．is made | C．is being made | D．will be made |
—What is the man, do you know?
-— I don’t know exactly． But I think he can be ______ but a teacher．
| A．anybody | B．something | C．anything | D．everybody |
I _____ sooner but I didn’t know that they were waiting for me．
| A．had come | B．was coming | C．would come | D．would have come |
—What have you learned from your experience in Thailand?
—Well, meeting people from another culture ______ be very difficult．
| A．must | B．can | C．should | D．shall |
All her hard work ______ in the end, and she finally passed the exam．
| A．paid back | B．paid off | C．brought out | D．brought off |
—Did Hans take part in the contest?
—No, at the last moment his courage _____ him and he ran away．
| A．ignored | B．declined | C．failed | D．lost |