[originaltext]I worked for two hours last night: half on mathematics, half on p

游客2023-12-23  19

问题  
I worked for two hours last night: half on mathematics, half on psychology. But I did forget literature should be the number one task.
To our great surprise, this book costs three times as much as it did last year and I spent only ten dollars on it then.

选项 A、This book is worth 30 dollars now.
B、I’m surprised to find this book cost 10 dollars last year.
C、It will cost you three dollars to get this book this year.
D、This book is 10 dollars each if you buy three.

答案 A

解析
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