Attest: provide evidence for; stand as proof of; show by one.s behavior, attitudeA.对
B.错
出自:吉林师范大学大学外语III

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