Outdoor activities are as much a part of childhood for this generation of Chinese children as they __________ for their parents and grandparents.
| A．are | B．will be | C．were | D．have been |
The new regulations will be of great _____ to us all.
| A．advantage | B．favour |
| C．benefit | D．kindness |
Various _____ of electric fans are now on display in the shop windows.
| A．boxes | B．sizes |
| C．standards | D．brands |
E-mail is a valuable _____ for college students at any level.
| A．hand | B．tool |
| C．product | D．data |
Lin Fang won first prize in the English contest and her efforts at last _____ .
| A．pay back | B．paid off |
| C．paid for | D．paid down |
People _____ a long queue to buy the ticket for the concert.
| A．quitted | B．crowded |
| C．formed | D．stood |