5.

(2分)
The old man began______to sample one after another of the puddings as soon as he accepted the spoon.
出自:山东师范大学-大学英语

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