They became friends again that day.Until then,they_____to each other for nearly two years.
| A．didn’t speak | B．hadn’t spoken |
| C．haven’t spoken | D．haven’t been speaking |
An exhibition of paintings __________ at the museum next week.
| A．will hold | B．is to be held |
| C．are holding | D．are to be held |
Catherine Ⅱ had the Amber Room moved to a palace outside St. Petersburg __________ she spent her summers.
| A．where | B．which |
| C．that | D．at which |
The doctor __________ she sent her friend is very well known.
| A．by whom | B．at whom |
| C．whom | D．to whom |
Do you know the factory, __________ products are of high quality?
| A．which | B．whose |
| C．that | D．its |
Jim passed the driving test, __________ surprised everybody in the office.
| A．what | B．that |
| C．which | D．it |