多项选择题

古蔡氏法检查砷盐所用的试剂包括

A．锌粒
B．氯化亚锡
C．碘化钾
D．溴化汞试纸

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单项选择题

Local businesses and the government need to ______ more jobs for college graduates.
A、discover
B、create
C、treat
D、seat

单项选择题

“Out of” is very often reduced to_________.
A、out
B、wanna
C、outta
D、kinda