单项选择题

One reason for the successes of Asian immigrants in the U.S. is that they have taken great ______ to educate their children.

A．pains
B．endeavours
C．efforts
D．attempts
<上一题 目录 下一题>
热门 试题

单项选择题
The old farmer was run down by a car. He was taken to the hospital and ______ on by the chief surgeon right now.
A．operated
B．having been operated
C．is operated
D．is being operated
单项选择题
That invention of his entitles him ______ a place among the great invent ors.
A．in
B．to
C．on
D．at
相关试题