Tom Maria are from Cuba?
— There is somebody at the door. ________ it be Tom?— No, it _______ be him. It’s just six o’clock. It’s too early.
— Did you find the small village yesterday? — Yes, without any difficulty, for it has ______ changed over years.
Many Chinese students think science subjects are _______ foreign languages.
Money is very important, ________ it is not the most important thing.
_______ people went to the concert which was held in Gengsu Theatre ________ the night of April 1st.