题目内容
A long ladder is used for ________.
[ ]
A.putting out a fire
B.opening the windows of a flat
C.opening the door a flat
D.rescuing people from a tall building
答案:D
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题目内容
A long ladder is used for ________.
A.putting out a fire
B.opening the windows of a flat
C.opening the door a flat
D.rescuing people from a tall building