Mary was praised by the headmaster in public and on that _______ she was simply proud.
| A．position | B．circumstance | C．occasion | D．situation |
Have you ever listened to the song Yesterday once more, ________ singer died in her early years?
| A．its | B．it’s | C．whose | D．which |
The man I ______ yesterday in the street is my manager.
| A．paid a visit | B．had a talk | C．met | D．dropped |
Students are encouraged to _________ the design competition for robots at the university.
| A．take part | B．operate | C．join to | D．participate in |
The plan has to be _______ to meet the real situation.
| A．adjusted | B．adapted | C．produced | D．refounded |
Energy drinks are not allowed _______ in Australia but are brought in from New Zealand.
| A．to make | B．to be made | C．to have been made | D．to be making |