You'd better not hang out after school _______telling your parents. They may worry about you.( )
A.byB.withC.withoutD.after
She will fly to Haikou as soon as she _________________ the task.( )
finish
finishes
finished
The population of Suihua is much smaller than _________of Harbin.( )
it
one
that
He said that he _________to Beijing the next month.( )
travel
would travel
travels
There is plenty of information about AI(人工智能)on the website,___________?( )
isn't there
isn't it
is there
My aunt became a nurse in her _______and she still loves her job now.( )
twenties
twentieth
twenty