Choose the idioms that fit the meanings below.

Choose the correct option.

Not dangerous at all. [A home from home|Get on like a house on fire|As safe as houses|Home and dry]
Have a very good relationship with someone. [A home from home|Get on like a house on fire|As safe as houses|Home and dry]
To have successfully finished something. [A home from home|Get on like a house on fire|As safe as houses|Home and dry]