---How often do I need to feed the birds?---They______ food every day, or they will be hungry.
—We need to learn and work ______ we live.—I think so.
The ancient emperors often ______ themselves ______ the sons of God.
Mr. Smith spoke slowly and clearly to make himself ______.
As the largest developing country, China since it was founded in 1949.
—Do you take music lessons in Grade Nine?—No, but it’s reported that a new Canadian study shows young children __________take music lessons have better memories.