ms zhang, the english teacher of grade three, is leaving for a week because for sickness. therefore, some adaption have to be made. here are notice for you: class1-- class on monday courses3 and 4 change to wednesday ourses 5and6.

　　class2--class on tuesday courses1 and 2 change to thursday courses5and6.please prepare for the class.

　　dean‘s office

　　30th mar