帐篷的布料很厚实。

The ___canvas of the tent is thick.

她正在画布上绘画。

She is painting on the ___canvas.

她在画布上涂了一层白色底漆。

She applied a white primer to the ___canvas before painting.

她把新画布铺在画架上，准备开始创作。

She spread the new ___canvas on the easel, ready to start painting.

这部电影以二战为背景，展现了一个宏大的历史画卷。

The movie uses World War II as its ___canvas to present a grand historical panorama.