George s daughter tried in vain to talk him______accusing his neighbor.A．roundB．overC．into

Mrs. Morris’s daughter is pretty and ？

I tried to（)my new boss with my diligence but in vain.A concentrateB investigateC hesita

In vain______to get the machine sold yesterday.A．he triedB．had he triedC．he had triedD．did

In Paragraph 5, the point that the author is trying to make is that______.A．the more you s

The police have begun to ______ the murder case, but in vain.A、look intoB、look upC、look

Some of the notebooks George Washington kept as a young man are still in existence. They s