I wonder whether the teacher is one of those who _______ to the mountain village to help the children there.
| A．have sent | B．has sent | C．has been sent | D．have been sent |
相关试题
Don’t be so discouraged. If you ______ such feelings, you will do better next time.
| A．carry on | B．get back | C．break down | D．put away |
No such authorization ______ be given without the president’s written permission.
| A．should | B．shall | C．would | D．may |
eBay sells connections，not goods，______ buyer and seller into contact with each other.
| A．being put | B．putting | C．has put | D．puts |
With more forests being destroyed，huge quantities of good earth ______ each year.
| A．is washing away | B．is being washed away |
| C．are washing away | D．are being washed away |
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