Not all the patents________ have been recognized.
| A．to be examined | B．being examined |
| C．examined | D．having been examined |
--- Tommy, your mum has been out without glasses!
--- Well, take it easy. _______ she is back home for them.
| A．It is long before that | B．It won’t be long since |
| C．It won’t be long before | D．It will be long before |
She can’t get down to work because she was deeply ________ by the news of his death.
| A．affected | B．surprised | C．harmed | D．charged |
It is high time for us to take measures to protect these old traditions and customs before they ___.
| A．die out | B．die away | C．die off | D．die down |
It is known that ________ medical examination helps people to find out health problems as early as possible.
| A．normal | B．general | C．regular | D．common |
Mary was much kinder to Jack than she was to the others, _______, of course, made all the others upset.
| A．who | B．which | C．what | D．that |