Everything to do with ______ nature can have______ important part to play in the development of man.
| A．the ; / | B．a ; an. | C．/ ; an. | D．the ; an |
_________ computer games, his parents were very worried about his study.
| A．Addicted to | B．He addicted to | C．His addicting to | D．Addicting to |
. So seriously _____ in the accident that he was sent to hospital at once.
| A．he was wounded | B．was he hurt | C．he did injure | D．did he hurt |
Though he had tried to climb to the top of the mountain several times, he didn't__________________.
| A．get it | B．make it | C．arrive it | D． do it |
I'd also like to _____ you on your good work in these two years.
| A．congratulate | B．celebrate | C．wish | D．hope |
I wondered what difficulty he had _________ the plan?
| A．to carry out | B．carrying out | C．carried out | D．with carrying out |