4. I looked for my key ____, but I couldn’t find it. A.here and there B.up and down C.far and near D.back and forth
出自:西北师范大学英语

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