Many officials _______ the matter were arrested and would be put in prison.
| A．involving in | B．involved in |
| C．involved | D．involving |
New technology was used in teaching. As a result, not only ________, but students became moreinterested in lessons.
| A．saved was teachers’ energy |
| B．was teachers’ energy saved |
| C．teachers’ energy was saved |
| D．was saved teachers’ energy |
_________ computer games made his mother worried.
| A．That the child was addicted to play |
| B．The child’s being addicted to playing |
| C．The child’s being addicted to play |
| D．What the child addicted to playing |
Lawrence Craven, a doctor from the USA, is the author of several published reports, one of which introduced the idea in 1953 ________ aspirin could reduce the risk of heart attacks by thinning blood.
| A．when | B．where | C．that | D．which |
It is hard for people in the country to believe that the minister could survive in such ________ weather conditions.
| A．severe | B．obvious | C．positive | D．sceptical |
North Korean（朝鲜）leader Kim Jeong-eun has sent urgent messages to world leaders Saturday, ________ that the United Nations’ decision on North Korea was ________.
| A．claiming; valid | B．claimed; valid |
| C．claiming; invalid | D．claimed; invalid |