61._________A.. taughtB. believedC. triedD. allow

回答（61）题 查看材料A.taughtB.believedC.triedD.allowed

A similar approach can be ______to innovation.A．usedB．appliedC．triedD．employed

Education is what you have left after all______is forgotten.A．what is taughtB．the thing ta

He_____the plot for this film while he was still a sophomore.A．receivedB．believedC．conceiv

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

Until the 16th century the earth______to be flat.A．is believedB．has been believedC．believe