晚上9时是22时______.
9时+12时=21时,
所以晚上9时是21时.
故答案为:×.
— Why didn’t you try to finish the composition?
— I tried to , but I could, the bell rang announcing the end of the examination time.
A.until
B.when
C.before
D.after
高级警官是指警衔为( )的警官。
A.警员以上
B.警督以上
C.警监以
D.总警监和副总警监