We must apply our minds to ________a solution.

She _____ the carpet with some very nice curtains in color.

(2013·湖北，21)Poetry written from the________of the urban youth tends to reveal their anxiety over a lack of sense of belonging.

China has         in producing clones of cows and goats, and continues to research ways          _______ can benefit mankind.

Many interesting activities will be _____ in the summer camp to attract children .