I must admit I have a ________ for history. A：preference B：reference C：deference

Tom _______ have kept his promise. I wonder why he changed his idea.A、needB、shouldC、must

But for your help, I ______ .A．must failB．might failC．would have failedD．will fail

There is something wrong with my TV set;I must have it _____.A. repairingB. repairC

My plant died. I _____watered（浇水)it.A.should haveB.must haveC.could have

I have no idea who stole his wallet. It _____anyone.A. must have beenB. should have been

My papers and books got______. I must have them all carefully arranged.A．out of controlB．o