—I came all the way to inform you of the time and place of the meeting. —You could have yourself the trouble by calling me.
____is known to us is that China has won five gold medals in the 2010 Winter Olympic Games.
Medicine should be placed ____children’s reach to make sure of safety.
—I finished all my work today. —If____, you can help others with their work.
—Remember the first time we met? —Sure.You ____in the supermarket.
I would rather you ____with us yesterday, but you left.