I still feel __________ about the error in the accounts；I ought to have noticed it,and pointed it out.[ ]

It was quite a job for her to ____ several children all by herself during the war.

He has been talented at designing and creating things________ he was young

The government should develop system to predict when wildfires occur andgive warnings in time.

Only after Mary read her composition the second time __________ the spelling mistake.