扇入
参考答案：
一个模块的扇入表明有多少个上级模块直接调用它。
__________,the work can be done much better. [ ]
A.Give more time
B.We had been given more time
C.More time given
D.If more time had given
30. Had it not been for the fact that I _____ absent, I would have asked you to do this right now.
A．had been
B．were
C．should be
D．Was
