I had some trouble __________ the letter. His handwriting is very bad.
·oreading
·reading
·to read
·read
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