I’m sorry I’m late . It’s rush hour , you know .—- It doesn’t matter .We ___ here for just a few minutes.
How long _______ home?-For about three months.
His father hoped a doctor when he was a child .
_________ is said that most teenagers have problems such as Li Ming’s.
I don’t think there will be many students left in the class,_______,because the conditions are not fit for studying.