______ —K-E-Y.

______ are the pants—Oh, the black pants They are only ten dollars.

(2013·新课标全国卷Ⅱ)The watch was very good, and he ________ 20 percent down for it

The sound of the birds __________happy memories of my childhood holidays.

Whydo you always watch Channel 10 instead of Channel 5, Grandpa —Theprograms on Channel 10 are ______ better.