单项选择题
A.take B.get C.catch
It was Dr. Rontgen who （） X-rays.A.discoveredB.invented...
单项选择题It was Dr. Rontgen who （） X-rays.
A.discovered B.invented C.made up
There is （） information on how to get the cheap fears.A...
单项选择题There is （） information on how to get the cheap fears.
A.few B.afew C.little
They decided to （） into the cause of the accident.A.see...
单项选择题They decided to （） into the cause of the accident.
A.see B.look C.watch
