Sorry, they're mostly wrong this time.
1.1.Geoffrey’s point of view was that religion helped women to lead an honest life.
1.2.Geoffrey’s point of view was that religion helped women to go straight. (stop being criminals?)
2.1. One becomes more experienced as one grows older.
2.2. One becomes more competent as one grows older. (more capable is different)
3.1. Geffrey was certain he was most satisfactory and desirable as a husband.
3.2. Geffrey was certain he was eligible as a hasband. (eligible means "choosable", and implies availability as a hUsband.)
4.1. He just loafs around the place without any occupation.
4.2. He just hang around the place without any occupation. (hangs)
5.1. The applicant seems to be skilled and able to cope with the job.
5.2. The applicant seems to be competent. (okay, this one is fine)
6.1. I can stay close by in case you should need me.
6.2. I can hang around in case you should need me. (lower almost slang register)
7.1. He was unable to do what he had planned.
7.2. He was unable to do what he had resolved. (different degree of intention)
8.1. It’s much better to be out in the open air on such a day as this.
8.2. It’s much better to be outdoors on such a day as this. (this one is okay)
Student or Learner