--Why didn’t you come to the cinema with us last Saturday?
--Oh, sorry. But I ________ the film.
| A．see | B．saw | C．have seen | D．had seen |
The machine has been used for several years. It needs______.
| A．to repair | B．repaired | C．repair | D．repairing |
Be quiet______you will wake the whole house!
| A．or | B．and | C．so | D．but |
—Are you still employed at the post office?
—Yes，I______here since 1982.
| A．work | B．have been working | C．worked | D．had been working |
_____a written permission, he had to write another letter to the president of the university.
| A．Not giving | B．Not having been given |
| C．Having not given | D．Having not been given |
--- How come your father can read books in German?
--- Well, he____on a project with some German engineers for 3 years when he was young.
| A．worked | B．was working | C．had worked | D．would work |