Do you know ______ over there?A. what ha_爱下问搜题

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问题选择题

Do you know ______ over there?

A. what happens
B. what was happened
C. what is happening
D. what did happen

答案

答案：C

单项选择题

液位显示仪是用来显示污物箱内污物的液位，液位显示灯用来显示（）两种液位。

A、80%和100%

B、50%和100%

C、50%和80%

判断题

工会应当根据经费独立原则，建立预算、决算和经费审查监督制度。