Lingling is now reading books in the school l__________

Chinese people are very good at table t_____，and it's our favorite sport

I’m ten years old and my sister is two years older than me，so she is t_____ years old。

如图，在 Rt △ABC中，∠BAC=90°， AB=AC=16cm，AD为BC边上的高. 动点P从点A出发，沿A→D方向以cm/s的速度向点 D运动.设△ ABP的面积为 S1，矩形 PDFE的面积为S2，运动时间为t_________秒(0秒时， S1=2S2.

如图，∠ B=∠ D=90°， BC=DC，∠ 1=40°，则∠2=______度.

The rediscovery of this species of birds is one of the most___(ordinary)scientific findings in recent years.

Just a few years ago，Tanya was___(home)and begging for money in front of a supermarket in New York City.

If you have difficulty locating a particular book ，please ask our librarians for___(assist).

Apart from her devotion to her work ，Elizabeth was also loved for her___(warm)and humor.

The group is made up of local___(music)who have been performing together for several years.