7. In Beijing Olympics, Michael Phelps swam into Olympic history, ______ the first athlete to win the most gold medals ever.
| A．became | B．becoming | C．becomes | D．to become |
They separated ten years ago and never met againthen.
| A．by | B．from |
| C．ever | D．since |
The disabled _____down upon in the past .
| A．was looked | B．were looked |
| C．looked | D．did look |
If you _____a crime you can never escape being punished.
| A．commit | B．discharge免除（自己的义务、负担等）； |
| C．take | D．do |
A clean environment can help the city bid for the Olympics, which in return will _____its economic development.
| A．add | B．increase |
| C．promote | D．plus |
We like Jack because he is a man ______everybody thinks is pleasant to _____.
| A．who; talk | B．whom; get on with |
| C．who; get on with | D．whom; talk with |