单项选择题

His manual of botany has become a ______ among scientists.

A. masterpiece
B. classic
C. famous work
D. legend
<上一题 目录 下一题>
热门 试题

单项选择题
Tom regretted (to blame) his sister (for) the mistake, for he later found it was his own fault.()

A. to blame
B. for
C. later
D. own
单项选择题
How many more decades will have to pass ______ scientists succeed in providing a cure for cancer
A．when
B．before
C．since
D．until
相关试题