Ive no idea when shell be back. ______you wait or come back later is up to you.A．WhenB．IfC

听力原文：M: When do you think Miss Harris will be back？W: When she left at 5:15 she promis

Wait a moment, please. Richard will be back ______.A．in no timeB．at no timeC．at timesD．at

I have no idea______we met for the first time.A．thatB．whetherC．whatD．when

I have no idea（)to make my speech interesting.A. howB. whyC. when

Born into a rich family, he has no idea of （) to be a poor man

Only when the work is done ________ be able to go back home.A．you haveB．you willC．will youD．have you