He tried to fix my radio, but really ______ it up.A) madeB) botchedC) coveredD) filled

He tried to solve the problem, but he （quick) ________ gave up.

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

He’s religious but he doesn’t try to foist his beliefs（) everyone.A inB onC toD at

My aunt tried her best to ______ the situation, but the damage was already done.A．adjustB．

He ______ unwisely, but he was at least trying to do something helpful[1999]A．may have act

He tried to relax because he knew he would use up my oxygen sooner______.A．the more exited