The purpose of new technologies is to make life easier, ________ it more difficult.
| A．not make | B．not to make | C．not making | D．don’t make |
Until then, his family _____ from him for six months.
| A．didn't hear | B．hasn't been hearing |
| C．hasn't heard | D．hadn't heard |
It's reported that by the end of this month the output of cement in the factory _____ by about 10%.
| A．will have risen | B．has risen | C．has been risen | D．will be rising |
Active reading will result in a better understanding of what _____.
| A．is being read | B．to be read | C．to read | D．being read |
The fifth generation computers, with artificial intelligence, _____ and perfected now.
| A．developed | B．have developed |
| C．are being developed | D．will have been developed |
This kind of glasses manufactured by experienced craftsmen _____ comfortably.
| A．is worn | B．wears | C．wearing | D．are worn |