I often put the meat in the refrigerator. It will stay _____ for several days.

His speech was so ___________ that it makes me feel __________.

— Some of my classmates don’t like math because they think it’s boring.— I don’t like it, _____. I think it’s too difficult.

Tell the boy the news. He is ______to understand it. 

Houses in Wuxi are now ______ expensive that ______ many people can’t afford ______ them.