mr liu loves __telling___ (tell) jokes这里为什么用telling,有什么固定短语吗?

mr liu loves __telling___ (tell) jokes这里为什么用telling,有什么固定短语吗? Where's Mr Liu? Mr Liu is walking () mr liu and mrs liu are both teachers.提问 Mr liu is a good english teacher改为感叹句------well Mr liu-------english! 连词成句our,is,Liu,teacher,Mr,art,new------------------------------ our is liu teacher mr english new连词成句 who is the man over there?Is it Mr.liu? 连词成句 our,is,Liu,teacher,Mr,art,new 刘先生的英文Mr.Liu可以反过来吗,liu.Mr,Liu.Mr这样可以吗?那除了MR.Liu 刘先生还可以有别的英语称呼吗？ mr li is() english teacher,miss liu is ()chinese teacher Mr.Liu speaks English beautiful and t____ English wonderfully talk,Mr.,Liu ,piease ,school ,to ,after 连词成句, Mr Liu is from Beijing.改成否定句 You should give this letter to Mr. liu改为祈使句 Mr liu often works far into the n_____. Mr liu often works far into the n_____. Mr Liu _____(teach) Chinese very well in our school.