---Has Peter handed in his paper yet?
---I’m not sure．He _______ on it last week．
| A．was working | B．has worked |
| C．worked | D．had worked |
______production up by 60%，the company has had another excellent year.
| A．As | B．For | C．With | D．Through |
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 |
______ you are a college student，you should learn to be independent of your parents’ help.
| A．Now that | B．While | C．Unless | D．Even though |
As soon as she heard the ______ news of his death，she ______tears.
| A．shocked；burst out | B．shocking； burst into |
| C．shocked；burst into | D．shocking；burst out |
This is the first time we ______ a film in the cinema together as a family.
| A．see | B．had seen | C．saw | D．have seen |