It is ______ to examine these questions carefully by doing more group discussions.(1分)
Aworthy
Bworth
Cworthwhile
Dworthy of
出自:武汉科技 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