下列各句中，加点的成语使用不当的一句是(3分)

John opened the door. There _____ he had never seen before.[ ]

It is a long time _______they separated, but it won’t be long ____ they meet again

How much is this painting_____?—I ___10,000 francs on it.

What do you think of her spoken English—Oh, no one speaks .