如果在一年里全社会用现金支付的销售商品总量为1000亿件,平均价格水平为10元,在这一年里货币平均周转5次。那么,这一年里货币发行量应为 亿元。如果这一年实际发行了4000亿元纸币,这时的1元钱相当于____元,这会引起_____。
The twin sisters have learned a lot ________ they came to China.
--It ______ be the new headmaster. -- No, it ______ be him. He went to Beijing yesterday.
— When did your uncle arrive_______ China? — He got to Guangzhou ________ the morning of the 16th of May.
Bob never does his homework _________ Mary. He makes lots of mistakes.
This dress is ______. The color of her dress is different from _____ of mine.