— We must their permission whatever the cost is.
— But I’m afraid they will reject.
A. obtain
B. cast
C. forbid
D. undertake
网友回答
(答案→)A. obtain
B. cast
C. forbid
D. undertake
解析：动词辨析。A得到，获得；B投,掷,抛,扔,撒。C禁止；D试图;着手做;进行,从事；结合句意可知A正确。句意：不够任何代价，我们都必须得带允许。