Neil seemed very calm, yet Celia was still aware of his panic _______ the surface.
A:beneath
B:over
C:beyond
D:from
老张、老王、老李、老赵是好朋友,一天,他们四人碰面,每两人都握一次手,他们一共握了多少次手?(先画一画,再解答.)
Yesterday, I came across my former classmate, but his name ________ me, which made me embarrassed.