Possible Clues:

• Shocked at inhaling hydrogen in its normal state
• Horrified, appalled
• Taken aback by swindles, tag was changed outside
• Shocked and awed
• Horrified that handbag has toads inside
• Tag has unravelled - I'm horrified
• Horrified by experiences in a fast car
• Amazed
• One would be horrified if such a hag sat with one
• Horrified, filled with consternation