—I regret _____ you that Mary was badly injured in the accident. —I can hardly believe my eyes. She is always so careful.
#92655
A
informing
B
having informed
C
to inform
D
to have informed
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He raised his hand ________ the taxi ________. 
#92511
A
to have, stop
B
to have, to stop
C
having , stopping
D
having , stop
We’re very sorry,really,but we______the window.
#97742
A
do not mean breaking    
B
did not mean breaking
C
did not mean to break     
D
do not mean to break