It was getting __________, he had to stop to have a rest.
选择一项:
A. very darker
B. dark and dark
C. darker and darker
出自:人文英语4

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