He always __________ his arms when he is thinking.

问题描述:

He always __________ his arms when he is thinking.
funds
finds
fonds
fold

fold [fəuld] vt.折叠;合拢;抱住;笼罩
n.折痕;羊栏;信徒
vi.彻底失败;折叠起来
这里说的是抱住他的胳膊当他思考的时候!
所以用folds