The output of our factory is now twice ________ it was three years ago.
A)
what
B)
that
C)
as
D)
which
出自:华北水利水电大学-水利水电建筑工程-大学英语2

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块