试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
(certain) Some economic experts arewhether the world economy in 2009 will become better or continue to decline.
参考答案
试题解析
此处缺少形容词。
are是系动词,后面需形容词做宾语。根据whether...or...可知,这是不确定的。所以应该填certain的反义词uncertain。
句意:经济学专家还不确定,2009年的世界经济会变得更好还是继续衰退。