With a wave of his hand he __________ us that we can set off right away.
It is generally believed that teaching is ________ it is a science.
The businessman boasts to me that I can't find a ________ gold necklace,because his shop deals in the best.
Speaking of all the songs he has written,I think this is probably his ________ one.(2013·全国Ⅱ)
Of the two coats,I'd choose the ________ one to spare some money for a book.(2010·四川)
If parents have children help with housework, the children will feel needed.________,they will learn to take care of themselves.