．The terrible flood swallowed the village ________ the villagers could get away. No one survived it.
| A．after | B．as | C．since | D．before |
Such novelists as Tolstoy are widely read, of ＿＿works; full of great humanity, however, some are difficult to understand.
| A．whose | B．which |
| C．whom | D．what |
At the railway station,the mother waved goodbye to her son until the train was .
| A．out of sight | B．out of reach |
| C．out of order | D．out of place |
The door opens and there ____.
| A．enter the teacher of English and head teacher |
| B．enters the teacher of English and head teacher |
| C．does the teacher of English and head teacher |
| D．the teacher of English and head teacher enter |
-Why are you still here? Everybody has gone to attend the lecture by the president.
-Oh, I ____ about it!
| A．didn’t inform | B．hadn’t been informed |
| C．haven’t informed | D．wasn’t informed |
All the photographs in this book, ____ stated otherwise, date from the 1950s.
| A．once | B．until |
| C．unless | D．if |