--- Be careful. The ice is not thick enough .
--- Thanks. I .
A. to walk on; will
B. for walking; will
C. to walk on it, do
D. to walk; to
网友回答
(答案→)A. to walk on; will
B. for walking; will
C. to walk on it, do
D. to walk; to
解析：本题考查的是形容词+enough to do ，sth is 形容词 enough to do（为及物动词），在本题中，walk on 相当于及物动词，walk on the ice，表示在冰上走，本题考查的是冰不是足够厚而可以在上面行走。而后一空选择的是表示将来时，用will，故选答案为A