_____ it was very cold, _____ my friend still went swimming in Jialing River this morning.
What do you think ______solve the problem ?
Is this factory ______you visited last week?
—Did you_________the first place of the league match? —Of course we did. We_________all the other teams.
If the homework _______, you can go home.
He is one of the students who, I am sure, always do ____ best.