_____ at in this way, the present economic situation doesn't seem so gloomy.

_____ regular training in nursing, she could hardly cope with the work at first.

I never regretted _____ his offer, for it was not where my interest lay.

At______,photographyisachemicalprocess,duringwhichalight-sensitivematerialisalteredwhenexposedtolight.

The（） inJanet‘scharacterhashinderedherfroomadvancementinhercareer.