__________，there are 50，000 visitors to the exhibitionevery day.
| A．At average | B．By average | C．On average | D．To average |
Women have ____ equal say in affairs at home.
| A．any | B．some | C．/ | D．an |
I haven’t read ____ of his books, but judging from the one I have read I think he’s a very promising writer.
| A．any | B．none | C．both | D．either |
She felt sorry that she had disturbed the ____ calmness of a man she respected.
| A．regular | B．curious | C．usual | D．various |
——Why are the tax collectors so busy?
——Many people prefer to have their tax forms completed by a professional rather than ___.
| A．do it themselves | B．doing it themselves |
| C．to do it themselves | D．done by themselves |
The news of the mayor’s coming to our school for a visit was __ on the radio yesterday.
| A．turned out | B．found out | C．given out | D．carried out |