Help again....

Hi guys!! I need help with some questions. Thanks for all.

Which of the sentences is NOT possible or would sound awkward?

Meet me in the bank
Meet me inside the bank
Meet me on the bank (incorrect)
Meet me at the bank

The sentence "The senator went to hospital shortly after taking up office" means

the senator paid someone a visit
the senator inspected the hospital
the senator invested in the hospital
the senator was hospitalized (this one is correct)

"Hand in the paper by Friday" means

the paper can be submitted before the final date
the paper can be submitted only on the final date
the paper can be submitted before or on the final date (this is correct)
the paper can be submitted only before the final date

A person wishes you a great weekend. The most appropriate reply would be

To you too (this is correct)
For you too
At you too
By you too