I. 1. agree with sb. 2. makefaces 3. be angry with sb. 4. say sorry to sb. 5.make the classmates laugh 6. nothing serious
Ⅱ.1-6 AACCBB
III .1. sad 2. laugh 3. handsome 4. pleasant 5. agree 6.faces
IV. 1. were watching 2.pleasant 3. useful 4. do 5. happily
V. 1-5 CEBAD
