When and where will it suit your ______ for our next meeting，Mr.Brown?

I’m afraid none of us can __________ the machine that has been imported from abroad.Which of the following is wrong?

I refuse to lie about it, because it’s against my _____.

— Why does he never pick up the waste paper on the ground?— Maybe because he thinks it’s beneath his         to do so．

My early_______ at learning playing the piano was a failure although I took a fancy to it.