单项选择题

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

A．come up with
B．come out
C．come round
D．come up to
<上一题 目录 下一题>
热门 试题

单项选择题
This article was written ______ for China Daily.
A．extensively
B．exceedingly
C．excessively
D．exclusively
单项选择题
We were told that we could not swim until ______ came in because the sea was too far out.
A．Water
B．current
C．flood
D．tide
相关试题