【2012贵州毕节】—Were you at home at 9:00 last night? I called you but nobody answered.—Sorry,I ______ at that time.
They argued _________ each other ________ the math problem yesterday.
__________ important for children __________ on themselves.
The book isfor us to read.
The cat is.You should take it to an animal hospital.
I saw himwhen I passed by.