.Great changes______in the city and a lot of factories______.
| A．have been taken place…have been set up | B．have taken place…have been set up |
| C．have taken place…have set up | D．were taken place…were s et up |
The purpose of new technologies is to make life easier, ______ it more difficult.
| A．not make | B．not to make |
| C．not making | D．do not make |
Such _______ the case, I couldn’t help but______ him.
| A．being, support | B．was, support |
| C．has been, supporting | D．is, to support |
All the preparations for the project ______, and we’re ready to start.
| A．completed | B．have been completed |
| C．had been completed | D．been completed |
Such _______ the case, I couldn’t help but______ him.
| A．being, support | B．was, support |
| C．has been, supporting | D．is, to support |
All the preparations for the project ______, we’re ready to start.
| A．completed | B．have been completed |
| C．had been completed | D．been completed |