小医生，下列各句均有一处错误，请找出并改正。

1.At the head of the queue was two old women.__________

2.You don't need turn on the radio.__________

3.They are all places of interests in China.__________

4.I can draw a picture use my left hand.__________

5.Every day he made one of the animals jump into the river.__________

冲裁模的凸模、凹模工作部分的硬度应保证（）。

A、HRC20～28；

B、HRC30～38；

C、HRC58～62。