You had better ________ a doctor as soon as possible.
(A) seeing
(B) saw
(C) see
(D) seen
出自:西北师范大学-作业

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