Shenzhou-VIII has docked with Tiangong-I successfully, ________ the start of the establishment of China’s own space station.
The old woman ______ her sons and daughters ______ and see her from time to time.
It is rather ______ that we still do not know how many species there are in the world today.
Men and women should be treated equally according to the law, but ______ there is great room for improvement.
The world will be different, and we will have to be prepared to ______ the change.
The Prime Minister refused to comment on the rumor that he had planned to ______.