Choose sentences which are correct.
A.The students use these dictionaries every day.
B.She came.
C.Have lost my key.
出自:国家开放大学英语语法

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