He will stop showing off, if no notice _____ of him.
| A．is taken | B．will be taken | C．takes | D．has taken |
. _______ to the left and you’ll see the post office.
| A．To turn | B．Turning | C．Turned | D．Turn |
. Will you be able to attend the lecturenext week?
| A．giving | B．given | C．to be given | D．being given |
.An exhibition of paintings ____ at the museum next week.
| A．are to be held | B．is to be held |
| C．are holding | D．will hold |
Every possible means ____, but none ____ successful．
| A．has tried; has proved | B．tried; proves |
| C．has been tried; proves | D．is being tried; is proved |
.The question he asked is hard ____ ．
| A．for answer | B．to answer | C．to be answered | D．answering |