题干
I am afraid something terrible has _______. I won’t be able to see you tonight.
A：set dow
B：gone through
C：come u
D：got along
答案(点此获取答案解析）
C
2HI(g)达到平衡时的标志是( )
元，其支出情况如图所示，那么下列说法不正确的是（ ） 