15. It is requested that each of the teachers invited ______ a performance at the. party.
| A．should give | B．will give | C．has to give | D．must give |
---Guess what! I have got the highest score in the final exam.
---- Great! You ______ worked very hard and put a lot of energy into it.
| A．must | B．must have | C．should | D．should have |
The manager says he needs an assistant that he can depend on to deal with the problems that may happen in his _______.
| A．presence | B．absence | C．distance | D．appearance |
Our teacher is clever and hardworking, but not very good at _______ his ideas to us.
| A．getting over | B．getting across | C．getting on | D．getting into |
---She might complain about you to the manager.
---_________? I know I am in the right.
| A．What for | B．Why not | C．What’s up | D．So what |
— What do you suppose ______ her look so upset?
—______ by her boyfriend again.
| A．making ; Misunderstood | B．had made ; Being misunderstood |
| C．made ; Having been misunderstood | D．has made ; Misunderstood |