Having been ___ volunteer in a day-care centre for weeks, Susan feels much sympathy for ___ disabled.
| A．a; / | B．/; a | C．the; the | D．a; the |
相关试题
Danny _____ hard for long to realize his dream and now he is popular.
| A．works | B．is working | C．has worked | D．worked |
You will find _______ great benefit a puter will be of each time you use it to help you work..
| A．that | B．whether | C．how | D．what |
The speech which he made ______ the project bothered me greatly.
| A．being concerned | B．be concerned | C．concerned | D．concerning |
You don’t need 
to explain so much about this theory to Peter. _______ , he is clever enough to understand it .
| A．As a matter of fact | B．Anyway | C．In return | D．In a way. |
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