— I’m terribly sorry to have put you through so much trouble. — _____. I know you didn’t mean to.
At present, computer knowledge has become ___________ requirement as the ability to read and write.
Make sure the gas is turned off after a bath, which would ________ cause danger.
Bats are surprisingly long-lived creatures, some ________ a life span of 20 years.
We won’t ______ you ______ away with cheating in the exam.
The surgeon suggested that he __________ at once.