25. Welcome to the Historical Museum, everyone! This stone knife _______ in South Africa and experts can’t be exactly sure about its use.
| A．had been found | B．was found | C．has been found | D．would be found |
——Are you content with her lecture?
——Nowhere near that. It ____.
| A．may have been good | B．couldn’t have been worse | C．can’t be better | D．must be better |
A British man who ____ to play practical jokes ____ his own humorous art work in four major New York museums over the last two weeks.
| A．liked; has secretly hung | B．likes; has secretly hung |
| C．had liked; secretly hung | D．has liked; secretly hung |
I spent the whole day repairing the motorbike. The work was ____ simple.
| A．nothing but | B．anything but | C．something of | D．all except |
——Did your classmate accept your invitation?
——No, he ____ refused.
| A．as far as | B．as well as | C．as soon as | D．as good as |
____ abroad for a tour can be a great honor for an ordinary person like me.
| A．Taken | B．Taking | C．Being taken | D．Having been taken |