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 |
The teacher told us that the earth _____ around the sun.
| A．travels | B．traveled | C．had traveled | D．is traveling |
Ted came for the weekend wearing only some shorts and a T-shirt, ____ is a stupid thing to do in such weather.
| A．this | B．that | C．what | D．which |
Men and women should be treated equally according to the law, but ______ there is great room for improvement.
| A．in return | B．in turn | C．in principle | D．in reality |
This raises questions of cultural relics protection which _____________ to be debated publicly.
| A．deserve | B．intend | C．devote | D．fancy |
John thinks it won’t be long ____ he is ready for his new job.
| A．when | B．after | C．before | D．since |