Help required with CELTA questions

Dear all,

I am planning to enroll myself in a CELTA course and it has been some years since I've last been in school. I have a few questions below which I am unsure of the answers:

Example: I read a book at the moment.

Correction: I'm reading a book at the moment.

Tense: Present continuous

Use: Used here to describe an action happening now

Question 1: How are things? I didn't see you for ages.

Correction:

Tense:

Use:

Question 2: She's been to the bank yesterday.

Correction:

Tense: Present perfect or past simple?

Use:

Any help would be much appreciated. Thanks!