The house[ ] ready today but there has been a buliders' strike it is still only half finished.A was to be B was to have been C were to be D should be

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The house[ ] ready today but there has been a buliders' strike it is still only half finished.A was to be B was to have been C were to be D should be

The house[ ] ready today but there has been a buliders' strike it is still only half finished.A was to be B was to have been C were to be D should be
The house[ ] ready today but there has been a buliders' strike it is still only half finished.
A was to be
B was to have been
C were to be
D should be

The house[ ] ready today but there has been a buliders' strike it is still only half finished.A was to be B was to have been C were to be D should be
D should be

选B 对过去的虚拟

D 虚拟语气:这房子本来今天落成的,但建筑工人在罢工,所以才建了一半