24．He rose to speak, _________ to with great attention.
| A．and was listened | B．and listened | C．listening | D．to be listened |
16. Charles Babbage is generally considered _______ the first computer.
| A．to invent | B．inventing | C．to have invented | D．having invented |
15. __________ made his mother worried.
| A．The child was addicted to playing computer games |
| B．The child’s being addicted to playing computer games |
| C．The child’s being addicted to play computer games |
| D．The child addicted to playing computer games |
14. His careless driving _________ the traffic accident. That is, the traffic accident was ______
his careless driving.
| A．resulted in / due to | B．led to / thanks to |
| C．resulted from / because | D．contributed to / as a result |
13. -- The organizer didn’t make ________ clear who would be the winner of the competition.
-- He did. Whoever __________ to the top of the mountain will win.
| A．this / make that | B．it / makes it | C．that / to make it | D．it / making it |
12. -- Did Alan enjoy seeing his old friends yesterday?
-- Yes, he did. He ________ his old friends for a long time.
| A．didn’t see | B．wouldn’t see | C．hasn’t seen | D．hadn’t seen |