Not until I begato work _______ how much time I had wasted.
· didn’t I realize
·did I realize
·I didn’t realized
·I realized
出自:华北水利水电大学英语

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