______ is even more important is that the earth cooled down, water began to appear on its surface.
【原创】People should protect animals____harm them.
【原创】She appeared at the party____ a flower on.
【原创】The mayor____the prizes at the sports meeting.
【原创】一He isn’t a League member, is he? — ___
【原创】People find it harder and harder to _____ the pace of modern science with the development of science and technology.