__________ the zoologists tried to prove was that the photo of the South Chha Tiger had been staged or technologically dealt with.
| A．That | B．Why | C．Whether | D．What |
—I hear Jane has gone to the Holy Island for her holiday.
—Oh, how nice! Do you know when she ________?
| A．was leaving | B．had left |
| C．has left | D．left |
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 |