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— Could I have a word with you, mum?

— Oh dear, if you __________.

A. can     B. must

C. may    D. should

---- Could I have a word with you?

---- Sorry, I am busy ______. Shall we do it later?

A. at the moment     B. for a moment        C. on the moment       D. in a moment

—Could I have a word with you,mum?

—Oh,dear,if you ______.

A.can             B.must           C.may            D.should

-- Could I have a word with you?

     -- Sorry, I am busy ________．Shall we do it later?

      A．a(chǎn)t the moment               B．for a moment                k+s-5#u 

       C．the moment             D．in a moment

— Could I have a word with you, mum?

— Oh dear, if you __________.

A. can     B. must

C. may    D. should