---- I wonder ______ Mr. Black changed his mind to take part in the movement.
---- After he listened to the speech by Mr. King.
| A．when was that it | B．when was it that | C．when that was | D．when it was that |
________full use of the chance, or you will never achieve your dream of overseas study.
| A．Making | B．To make | C．Make | D．To be made |
The mayor ________the diplomat at 4 o’clock tomorrow afternoon.
| A．will meet | B．will be meeting | C．met | D．was meeting |
The children in the orphanage requested they ______on a tour across the city.
| A．take | B．took | C．be taken | D．were taken |
The passengers were ________in the traffic congestion which resulted from the accident ahead.
| A．held out | B．held back | C．held up | D．held on |
If ________, please pay a visit to me and have a further discussion of the issue.
| A．you are convenient | B．it is convenient |
| C．it at your convenience | D．it is convenience |