The project, ________ in 2009, has expanded the city’s cellphone network to cover one million users.
| A．accomplished | B．being accomplished |
| C．to be accomplished | D．having accomplished |
This machine is very easy. Anybody can learn to use it in a few minutes.
| A．operating | B．to be operating | C．operated | D．to operate |
My sister met him at the cinema yesterday afternoon, so heyour lecture.
| A．couldn’t have attended | B．needn’t have attended |
| C．mustn’t have attended | D．shouldn’t have attended |
_____ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
At the eve of Christmas, she got nothing but $ 2 ____ to buy her husband a simple present.
| A．with what | B．which | C．what | D．with which |
_____ private cars bring us convenience, they also cause more traffic accidents and pollution.
| A．While | B．As | C．If | D．Since |