_______man must fear when travelling in space is radiation from the sun.
We tried to find a table for seven,hut they were all .
______ a certain doubt among the people as to the practical value of the project.
China has got a good ______for fighting against the flu with its careful and smooth organization.
Many children,______ parents are away working in big cities,are taken good care of in the village.
Some people who don’t like to talk much are not necessarily shy;they ______ just be quiet people.