0bama was said __________ in a scandal, so he was like a cat on hot bricks.
| A．to involve |
| B．involving |
| C．to have been involved |
| D．having involved |
I can’t ___why he said so.Perhaps I should give him an explanation
| A．figure out |
| B．stand out |
| C．give out |
| D．go out |
It didn’t take the children long to___the correct answer
| A．carry out |
| B．figure out |
| C．turn out |
| D．give out |
Despite the fact that all three teams___different approaches to the problem,they all succeeded
| A．adapted |
| B．adopted |
| C．acquired |
| D．approved |
After much deliberation,the president decided to___her suggestion
| A．adapt |
| B．adjust |
| C．adopt |
| D．arise |
This new copy machine is more___than the old one,which improves the___of work
| A．effective;efficiency |
| B．effective;effect |
| C．efficient;efficiency |
| D．efficient;effect |