57._________A. permittedB. knewC. heldD. suspected

The 2008 summer Olympic Games ______ in Beijing.A、were heldB、heldC、was heldD、holds

He talks as if he______ everything in the world.A．knowsB．knewC．had knownD．would have known

After three hours of questioning the suspect broke down and ______.A．acknowledgedB．recogni

If I ____ your address, I would have visited you.A: knowB: knewC: have knownD: had kno

Time______, we will do a short presentation before the concert.A．permittedB．permittingC．pe

_________(59)A.suggested B.knewC.promised D.decid