The program was so exciting that the children kept their eyes____on the screenA.to fix B.to be fix C.fixed D.fixing句子的意思是什麽?
问题描述:
The program was so exciting that the children kept their eyes____on the screen
A.to fix B.to be fix C.fixed D.fixing
句子的意思是什麽?
答
keep doing sth.保持持续做某事
所以选D
doing 是持续的状态