She couldn' t find her son_ she had dropped him off．
A．when B．until
C．although D．where
33．I told them not everybody could pass the test,____?
A．could he B．didn't I
C．didn't you D．could they
—When shall we start the reconstruction of the old buildings?
—Not until_ by the local government．
A．will our program be approved
B．our program will be approved
C．has our program been approved
D．' our program has been approved '
The man has been in____ doctors describe as a vegetative （植物的） state for six years．
A．what B．which C．that D．how
But for the fact that I_ an unexpected visitor, I _____to the lecture．
A．had had/would go
B．had/must go
C．had/would have gone
D．had had/must have gone
The old man, for _life had been very hard, donated his possessions to poor villages in Anhui．
A．whose B．whom
C．which D．that
