When the audience heard the funny story, they _____ laughter.

How tall the boy is! — Yes, he is taller than __________ in his class.

Most students prefer tests _____ have easyquestions.

Look! A man is crossing the street. Let’s go and help him.

Nobody knows for sure who possessed the ancient flowervaseIn other words,nobody knows for sure who is_____ of the flower vase[ ]