y ________ they fought, they had no chance of winning the match.

If the researchers are successful, they an important step in reproducing the way that humans use cognition（认识力）to interact（交流；互动）in their world．

I didn’t meet her at the party yesterday. She___ _forShanghai.

The school ______ my sister studies at is far from here.

Mr． Smith _______ $100,000 for the car, so I had to give up．