问题
选择题
On hearing the news, the girl rushed out without hesitation, ______ the luggage _____ on the floor,
and ______ in the dark. [ ]
A. left, lied, disappeared
B. leaving, lying, disappeared
C. leaving, lie, disappeared
D. left, lay, disappear
答案
答案：B
氢气＋氧气 
水＋氧气
氯化钾＋氧气 
锰酸钾＋二氧化锰＋氧气