There _____ a basketball and several footballs on the playground.

he effects of globalwarming, trees theirleaves much later in the year.

下列词语中加点的字，读音全都正确的一组是（ ）

________ volleyball quite well, buthe hasn’t played it since he entered senior high school.

下列加横线字读音完全正确的一项是（ ）