Which of the following is not a natural disaster?
— 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.
_______ of us has some bad habits. We must get rid of them.