I have to buy _________of the two books because I don’t know which to choose.

Look at the girl! Is it Susan? —No, it __________ be her. She has gone back to her hometown.

Today my father is feeling_______ to go to work.

is a good idea to bring your camera because you may want to take photos of the autumn leaves.

The earthquake has killed over two thousand people in Yushu.—________.