No one was sure exactly__________ he wanted
| A．how was it that | B．how it was that | C．what was it that | D．what it was that |
He put in a special _____ for an extra day's holiday so that he could attend his daughter's wedding.
| A．request | B．demand | C．inquiry | D．proposal |
It was decided to _____ the search when there was no hope of finding the missing girl alive.
| A．call off | B．take up | C．keep off | D．ring up |
Professor Jordon is well known for his _____ into the habits of the common housefly.
| A．examination | B．introduction |
| C．research | D．expression |
I support your decision, but I should also make it clear that I am not going to be _____ to it.
| A．connected | B．fastened | C．bound | D．stuck |
In spite of the thunderstorm, the children slept _____ all night.
| A．densely | B．soundly | C．loudly | D．noisily |