单项选择题

__________ his work, he would do it till it was finished.

A．Once Charles would start
B．Once Charles started
C．Since Charles would start
D．Since Charles started
<上一题 目录 下一题>
热门 试题

单项选择题
Reading is learning, but applying is also learning and the more important kind of learning at that.
A．看书是学习，但是应用也是学习，同时更重要的学习种类是那样。
B．读书是学习，使用也是学习，而且是更重要的学习。
C．阅读是学习，但是实施也是学习，更重要的学习种类在那点上。
D．读书是学习，但使用也是学习，并且是更重要种类的学习。
单项选择题
Every knife and fork __________ carefully.
A．have cleaned
B．has cleaned
C．have been cleaned
D．has been cleaned
相关试题