2013年10月31日美元对人民币汇率:1美元=6.1425;2013年12月I8 日美元对人民币汇率:l美元=6.1105元。人民币对美元汇率的这种变化对我国进出口的影响是(图中虚线表示变化后的状况)( )
After working her way around the world, Annie ended up _______ English as a foreign language.
— Have you found the poor dog yet? — Yes. But he was _______ when we found him. The bad weather killed him.
— What did you do on April Fool’s Day? — I played a trick _______ my brother.
For the first time, pay attention _________quickly to get the main ideas.
—I often make mistakes _______grammar. —Why not ask your teacher _______help?