A:BaC12和(NH4)2SO4
B:AgNO3和NH4Cl
C:FeC13和NaHCO3
D:KCl和Na2CO3
多音字组词。
哗 huā ____ huá ____
曲 qū ____ qǔ ____
只 zhī ____ zhǐ ____
夹 jiā ____ jiá ____
—Where did you come across your old classmate Jane?
—It was in the supermarket ________ she worked ________ I came across her.