Sally, I went to the concert last night. How big the symphony hall is!—So it is. It is ___________ to hold more than one thousand people.

We ________ certain living things as birds not because they have long legs or short legs, but because they all have feathers.[ ]

The way of life he was used to _______ when he came tostudy in America

Looking at old photographs of yourself on social websites can improve your mood, and this finding _______ previous research, which suggested otherwise.

－I missed thefirst part of ________ film Avatar.－What a pity !You should be here half _______ hour earlier.