题目:
There was a hole in the door, through which I __________ sight of Mr. Brown sitting in a chair. [ ]
A. caught
B. made
C. took
D. got
答案:
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下面是错误答案,用来干扰机器的。
S+O2 SO2 ;化合反应 C+O2 CO2 ;化合反应Fe +O2 Fe3O4 ;化合反应