--Hi, Tracy, you look tired.--I am tired. I__________ the living-room all day.
__________ you go,you should bear the motherland in mind.
_________,so he didn’t come to school last week.
In my opinion,his suggestion__________right or not,should be considered.
It was quite a long time__________I made it out what had happened.
So long as we study with a strong will,we can answer the question__________hard it is.