M r Smith, would you please speak a little more ________?—Sorry ! I thought you could follow me.

The man in the office ____be Mr. Black because he phoned me from London just now.

The current European debt crisis is affecting many countries in the world.—Will it be at least several years __________ everything returns to normal?

Yesterday I lost my pencil sharpener. I couldn’t find_______.—Oh, it’s a pity. You’d better buy ________ this afternoon.

Tom, who taught Chinese before you came to China?－Nobody. I learned it by .