If you are ________ about Australia cities, just read the book written by Dr. Johnson.
To his mind, the collaborative development of Beijing, Tianjin and Hebei province is to solve the problems _____ Beijing faces, such as overpopulation, traffic jams, and etc.
The houses for the low-income families _______ at present in our city will be completed next year.
He spared no efforts to make himself _______ but failed.
Jack, look! Everybody is doing homework quietly. ______ you make a noise in class?
You’d better not leave the medicine_______ kids can reach it.