他对我们的安全负有责任。Heisoursafety．-优题课

他对我们的安全负有责任。
He is________ ________our safety．

科目英语题型翻译难度中等

We are supposed to　　（鼓励）the young to read more books．

Keeping an English diary can help us improve our writing 　　（能力）．

This is the 　　（第八） year for Jim Green to stay in China．

The plane flew at a 　　（高度） of three thousand meters．

It's necessary for us to 　　（等待） in line in public．