He had planned to make a compromise，but        he changed his mind at the last minute. 

It was very lucky to see the "Monster of Lake Tianchi", ______ we didn't see it clearly.

They’re ______ choosing a cautious policy in order to avoid a risk in such an important event.

I can’t say I’m the best. I have only ______ made more efforts than others.

My goodness, look at the time! It’s nine o’clock already and I’m _____ at breakfast.