Please excuse me _______ your letter by mistake.
Jack almost fell off the cliff, but managed to _____ until help came.
The storm sweeping over this area now is sure to cause _____ of vegetables in the coming days.
Don't _____ the news to the public until we give you the go-ahead (许可,准许).
If you _____ your demand, then maybe you will have more chance of getting what you want.
His _____of the aeroplane was correct in every detail and could really fly.