单项选择题

Very few scientists ______ with completely new answers to the world's problems.

A. come to
B. come around
C. come up
D. come in
<上一题 目录 下一题>
热门 试题

单项选择题
She may come with us ______ that she arrives in time.
A. in case
B. unless
C. if
D. provided
单项选择题
______ is known to the world, Mark Twain is a great American writer.
A. Who
B. Which
C. As
D. It
相关试题