________ he is ,he seldom shows his precious coins to others.
| A．Coin -collector as | B．As a coin -collector |
| C．A coin- collector as | D．Coin- collector that |
—You can’t finish the book in less than an hour, I suppose?
—______.
| A．Yes, I’m sure I can | B．No, hardly |
| C．Sorry, I can’t | D．I don’t think I can |
Many manufacturers were accused of concentrating too heavily on cost reduction, often at the ______ of the quality of their products.
| A．expense | B．exposure |
| C．expansion | D．expectation |
—I would like to speak to Mr. Martin.
—There’s nobody here by that name.
—Sorry, I ______ the wrong number.
| A．should have dialed | B．must dial |
| C．could have dialed | D．must have dialed |
Long skirts have been ______ for a long time in the West, but they are coming back this year.
| A．out of order | B．out of fashion |
| C．out of control | D．out of place |
—Will you please make yourself ______ to us, please?
—I’m the honorary chairman of the committee.
| A．know | B．to know | C．knowing | D．known |