A：needn’t hurry
B：don’t need to hurry
C：must have hurried
D：needn’t have hurried
有下列三个氧化还原反应：① 2FeCl3 + 2KI = 2FeCl2 + 2KCl + I2 ；②2FeCl2 + Cl2 = 2FeCl3；③ 2KMnO4 + 16HCl =" 2KCl" + 2MnCl2 + 5Cl2↑+ 8H2O。若某溶液中有Fe2+、I-、Cl-共存，要除去I-而不使Fe2+和Cl-的量减少，可加入的试剂是
— Let's play table tennis after school.
— ________.
—Wow! beautiful music! I like the concert very much.
—I think everybody will have wonderful time tonight.
