1 . Having been bitten by the dog, ______.

A．doctors came to their rescue	B．a warning was given to the dog
C．the postman refused to deliver the letter	D．a shot was given to the dog

2 . What you said _____ me to death.

A．scared

B．were scared

C．was scared

D．surprised

3 . The poor boy seems ________ the news that his father died in the car accident for there is no sign of sorrow on his face.

A．not to be known	B．not to have received
C．to have not received	D．not to know

4 . ________ made her surprised was _______ she received a bunch of flowers for no good reason yesterday.

A．That; how

B．What; that

C．What; what

D．That; that