The teacher suggested that they __________ in the assignment at once.

A、had handed

B、should have handed

C、Handed

D、hand
出自:大学英语B2252

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