按新九分法计算双下肢表面积是()
A.9%
B.18%
C.27%
D.46%
E.37%
参考答案:D
many books do you have?[ ]
A. what
B. What
C. How
I caught a bad cold the other day and my weekend ____.
A.has ruined
B.had ruined
C.has been ruined
D.had been ruined