The project alongside with the experiment we had once devoted so much time ______ perfectly.
| A．to work out | B．to working out |
| C．to worked out | D．has worked out |
35．1 suddenly found my watch didn ’t wolrk any more and only then_______ was late for school．
| A．had I realized | B．I had realized | C．did I realize | D．realized I |
34．Well,_____, he is just my celleague． But I think we can become best friends one day．
| A．time and again | B．now and then | C．in the mean time | D．for the moment |
33．Before she______thethe door, she____what had happened to her computer．
| A．walked;noticed | B．walked; had noticed |
| C．walks; has noticed | D．had walked; noticed |
32．They said his lack____experience could lead to a disaster and he should ask for nec- essary help．
| A．of | B．in | C．for | D．To |
31．-----She missed her train to London,____she didn"t seem to care．
---- Well, there is anotherl one in 15 minutes．
| A．or | B．as | C．thus | D．Yet |