For wise guy, see below.
Tete a tete - a sofa in the form of an S, hence ESS; (n)ESS
Good girl - seems just to be that Agnes means 'good'; very weak, I thought
Doctor - OR in MB + (V ILL I reversed) + (f)IRS(t); U is missing
Relaxing - anger is a SIN, placed in E.G. ('as'); A is a missing letter
Emmy - Alan ALDA; odd letters, reversed
North African - GERS with G displaced
Reputable girl - HON + O + R; A is missing