All her time _______ experiments, she has no time for films.
| A．devoted to do | B．devoted to doing |
| C．devoting to doing | D．is devoted to doing |
Much to his _____, his father was not angry at the result of the examination.
| A．surprised | B．exciting |
| C．surprise | D．excited |
At the school gate, you should _____ the safeguard with your student card.
| A．present | B．give |
| C．show | D．provide |
Father insisted Tom _____ all his homework before he went to bed.
| A．finishing | B．to finish |
| C．finish | D．finished |
I met this guy _____ some other occasions but he did not seem to recognize me.
| A．for | B．on |
| C．at | D．in |
I don’t like the lecture yesterday. Most of what the speaker said was _____ the subject.
| A．on | B．off |
| C．of | D．around |