Don’t forget _____ wheyou are finished with the electronic iron.
·to turit off
·to have turned it off
·turning it off
·having turned it off
出自:佳木斯大学语言治疗学

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