3、D.introduced5.[2019·安顺]—Idon’tthinkteachersshouldgivetoomuchhomeworkto thefreetimeofstudents. —Exactly!A.giveupB.takeupC.lookupD.putup6.[2019·滨州]—ConfuciusInstitute(孔子学院)hasbeensetupinmanyothercountries.—Yes,Chineseis spokeninthosecountries.IamproudofthatasaChinese. A