1 Professor James will give us a lecture on the Western culture, but when and where yet.
| A．haven’t been decided |
| B．haven’t decided |
| C．isn’t being decided |
| D．aren’t decided |
Turn on the television or open a magazine and you ________ advertisements showing happy families.
| A．will often see | B．often see |
| C．are often seeing | D．have often seen |
. Sales of CDs have greatly increased since the early 1990s, when people ________ to enjoy the advantages of this new technology.
| A．begin | B．began | C．have begun | D．had begun |
The city is built _____ two rivers come together.
| A．in which | B．which | C．where | D．that |
You are wanted ___ phone.
| A．by | B．on | C．at | D．in |
The house is lighted ____ electric light.
| A．by | B．to | C．in | D．with |