He is such ______! He is sure to ruin（毁坏）all the fun here if you invite him to the party.
| A．a wet blanket | B．a black sheep |
| C．a white elephant | D．a green finger |
30. With _______ production up 60%, the car company had another excellent year.
| A．ordinary | B．annual | C．common | D．Usual |
29. Instead of leading us a hand, he just stood by, __________
________us when we were in trouble.
A．made fun of  |
B．got tired of | C．getting tired of | D．making fun of |
28. Have you adapted _______ in a different country?
| A．to living | B．to live | C．living | D．in living |
27. To learn Engli8sh well. We should find opportunities to hear English _____ as much as we can.
| A．speak | B．Speaking | C．spoken | D．to speak |
26. I am not surprised that he became a writer. Even as a child he had
a ______ imagination.
| A．clear | B．Cautious | C．funny | D．Vivid |