He always dreams of a chance for him to bring into full play his potential.
A. there being
B. there to be
C. there is
D. being
网友回答
(答案→)A. there being
B. there to be
C. there is
D. being
解析：dream of “梦到，梦想”，后面接名词或动名词；选项A.there being是“there be”的动名词形式，因而A正确。句意：他总是梦想着会有机会让他充分发挥他的潜力。