  We consider cosmic microwave background (CMB) anisotropy in models with
quintessence taking into account of isocurvature fluctuation in the
quintessence. It is shown that, if the primordial fluctuation of the
quintessence has a correlation with the adiabatic density fluctuations, CMB
angular power spectrum $C_l$ at low multipoles can be suppressed. Possible
scenario of generating correlated mixture of the quintessence and adiabatic
fluctuations is also discussed.
