题干
— Will you please give the dictionary to Jane?
— Sure, I'll give it to her ____ she arrives here.
A：before
B：until
C：as soon as
答案(点此获取答案解析）
C
— Will you please give the dictionary to Jane?
— Sure, I'll give it to her ____ she arrives here.
A：before
B：until
C：as soon as
ClO3+6HCl=3Cl2+KCl+3H2O