At the age of nine, he ____ play basketball at all. But now he ____ do it well.
—I am going to Sanya for my holiday tomorrow. —_____________.
I have more paper clips than_______, but my CDs are fewer than________.
He often gives me some advice.The sentence structure is________.
I was doing my homework _______ my mother was doing some sewing.
In winter people usually keep flowers in their houses to them from the cold.