It was only after he had spent several nights digging around the cross ________ he decided to write to Kit Williams to find out if he was wasting his time there.
| A．that | B．how | C．and which | D．what |
33．When problems such as energy crisis, pollution and population explosion_________, people are asked to share the bitterness and endure the hardship with all the whole nation of the times．
| A．are arisen | B．arise | C．arising | D．Arisen |
32．___________the many ways illegal immigrants come into the United States every year, the vehicle crammed with crowds seems to be the method of choice lately, however, tragedies such as deaths on the journey to the destination, are sometimes reported nowadays．
| A．In | B．For | C．Of | D．On |
31．With the cell phone available, I can do whatever I want to do and still______in touch with my parents and friends．
| A．stay | B．to stay | C．staying | D．Stayed |
30．It was the training that he had as a child________made him such a good pianist, received by teenagers as well as adults．
| A．that | B．which | C．who | D．What |
29．The patient who had suffered from H1N1 insisted on_____________from others immediately, holding the belief that the disease would infect others．
| A．being isolated | B．having isolated | C．to be isolated | D．Isolating |