5、micCooperation PLACE Dear_________, Iamwritingthislettertoexpressmysinceregratitudefor___________.Haditnotbeenforyourassistancein___________,Ifearthat___________maynothave____________.I’dlikeyoutoknowthatyourhelp__________.Itnotonly____________,butalso__________.Ishallalwaysremember__