A:would have been saved
B:had been saved
C:will be saved
D:was saved
计算:
7×25×4=____16×125=____45+567+155=____
A: What ____ your sister ____ (do) on the weekend?
B:She often ____ (watch) TV.
如果关于x的方程x2﹣5x+k=0没有实数根,那么k的值为____
用所给单词的适当形式填空