Traditional works of art from different provinces ______at the culture show of the 2010 Shanghai World Expo.
| A．are displaying | B．is displaying |
| C．are being displayed | D．is being displayed |
Apples are usually sold by______ weight, and eggs are sometimes sold by______ dozen.
| A．the; the | B．/; a | C．/; the | D．the; a |
.How long do you think______ the construction company finishes the project?
| A．it will be before | B．will it be until | C．will it be when | D．it will be that |
The Beatles singing Yesterday______ memories whenever we hear it.
| A．brings down | B．brings back | C．brings out | D．brings up |
Tom is the only one of the students who______ a winner of scholarship for four years.
| A．are | B．have been | C．has been | D．is |
I would rather______ the professor and I would rather you______ for him at once.
| A．invite; sent | B．invited; send | C．inviting; sending | D．invite; sending |