_________ season do you like best?[ ]
A. What
B. Why
C. Which
答案:C
_____ brother is in the Reading Club. He is a friend of _____.[ ]
A. She's, our
B. Her, mine
C. She, me
D. His, we
自由锻件的锻件图是在零件图的基础上考虑了机械加工余量、()、余块等之后绘制的图形。