4、don't C.Did;didn't 12.(2分)—_______yoursisterstudyEnglishatschool? —Yes,she_____A.Does,does B.Do,study C.Does,studies 五、连词成句(共5题;共17分)14.(1分)readcanI________15.(5分)this,your,is,yacht(?)16.(5分)will,buy,I ,for,you (.) (连词成句)17.(5分)good That is a idea(!)18.(1分)comemoreinfriends