The decorator suggested that he ( )up a screen on the window to let-in-fresh air and keep out files.
选项
A: fix
B: fixed
C: fixes
D: fixing
出自:综合英语

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