When you come across a new word , you should learn to guess the meaning of the word according to the ________ clues , which may be in the sentence that comes before the word.
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.