6、ewithC.towritewith()2.Mr.Leeseemsto________us.A.strictB.bestrictwithC.bestrictin()3.Katedidbadly theEnglishexamthistime.A.atB.inC.to()4.Wecan'tbuythiskindofbooks it'snotgoodforus.A.soB.butC.because()5.Davidisahelpfulboy,Heisalwaysreadytohelp__.A.another B.others C