Mary made a few changes to the design and made her own needle, _____ saving people a lot of time.
| A．one | B．she | C．that | D．it |
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 |
While people may refer to television for up-to-the-minute news, it is unlikely that television _____ the newspaper completely.
| A．replaced | B．have replaced | C．replace | D．will replace |
–Who is Jerry?
–_____? I saw you shaking hands with him at the meeting,
| A．Don’t you meet him yet | B．Hadn’t you met him yet |
| C．Didn’t you meet him yet | D．Haven’t you met him yet |