问题补充:
I am about the new model, and I firmly believe that there will be a good market for it.
A. concerned
B. doubtful
C. confident
D. particular
答案:
A. concerned
B. doubtful
(答案→)C. confident
D. particular
解析:
试题分析: 句意:我对新的样品很有信心,我坚定地相信它会有很好的市场。A be concerned about“关心,担心”;B be doubtful about “对……怀疑”;C be confident about “对……有信心的”;D be particular about “对……挑剔。从句意可知答案选C。