They don’t know what is going to happen when the project _____.

Although taking wedding photos has become more popular among graduating students, many students        _______it requires both money and courage.

______ there are living creatures in the outer space as those on Earth hasn’t been proved so far.

All animals in nature must learn to        to a changing environment in order to survive.

 Women at that time were ________ the right to vote because they were not treated equally as men.