7、volleyball.---____. A.SodoI B.NeitherdoI C.Soitiswithme D.Soisitwithme17.—IthinkEnglishismoreusefulthanChinese.Whataboutyou?—___________.Ithinktheyarebothuseful.A.Idon'tthinksoB.IthinksoC.IthinknotD.Idon'tthinksuch18.You may borrow the book ________you keep it clean. A.whenB