______ only 20 minutes to go before the train left, I felt uneasy in the taxi to the railway station.
| A．For | B．With | C．As | D．Because |
--- Who do you think will be in charge of _____ so important a conference?
--- Mr Smith.
| A．behaving | B．conducting | C．displaying | D．controlling |
There being no witness on the spot, the police were delayed by the _____ of information about the crime.
| A．analysis | B．disappearance | C．absence | D．consideration |
______ a family of chimps wake up is our first activity of the day.
| A．Watch | B．Watching | C．Watched | D．Being watched |
These increased harvests _____ that 22% of the world’s people are fed from just 7% of the farmland in China.
| A．means | B．meant | C．mean | D．is meaning |
Some people have the idea_____ you can cross Canada in less than five days.
| A．what | B．that | C．which | D．when |