Sometimes our opinions differ _________ what we choose to observe and how we deal with what we’ve observed
----I am sorry to have been so rude to you.----____________.
I was reading attentively in my own room ________ suddenly he knocked at the door.
He has five___________ , and they are all doctors working in the same hospital .
I still remember_________to the Famen Temple by my uncle when I was five .
I’ll go to fight in the battle __________ you go or not .