It.s the second time that I __________ in Shanghai ! What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
A、have been ; left
B、had been ; left
C、have been ;had left
D、went ;had left
出自:滁州学院-学前教育

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