______, I should ask them some questions.A．Should they come to usB．If they come to usC．Wer

I told them I was perfectly ________ to help if they asked.

The magician picked out several persons ______ from the audience and asked them to help hi

The magician picked several people______from the spectators and asked them to help him wit

Ask them to______ carefully the planes radio and radar system.A．check onB．check offC．check

After what he has done for you, I think you should have given him some support, ______you

He asked us to ________ them in carrying through their plan. A.provide B.arouse C.