【C20】A．havingB．to haveC．haveD．had

Be quiet! They （) a meeting in the next room.A.are havingB.haveC.were havingD.will had

He lies down and ______ a rest.A、havingB、haveC、to haveD、has

We ___ the time to play chess.A、don’t haveB、not haveC、no haveD、does have

It was getting （) , he had to stop to have a rest.A. very darkerB. dark and darkC. da

【C7】A．has beenB．have beenC．had beenD．to have been

【C6】A．havingB．hadC．hasD．have