She ______ to Africa to study the animals there, though her family asked her not to.
| A．insisted on going | B．insisted going |
| C．insisted in going | D．insisted to go |
The president was so absorbed in his work that not a sound _____.
| A．did she dare to make | B．dared she to make |
| C．she dared make | D．she did dare to make |
A survey suggests that the royal wedding of Prince William and Kate Middleton _____ a great boost for British economy because a large number of visitors are expected to go.
| A．will be | B．has been | C．was | D．be |
The English in this story has been simplified to make it easier _______.
| A．to be understood | B．understood | C．understanding | D．to understand |
The new CRH train between Beijing and Shanghai ____ speed can reach about 380km/h will benefit ____ takes it.
| A．whose; whoever | B．which; whichever | C．whose; who | D．where; whoever |
Japan has been trying to bring its nuclear crisis under ____ control, but ____ spread of radiation has raised concerns about the safety of the nuclear energy.
| A．a; the | B．the; / | C．/; the | D．a; / |