高一英语从句填空
12theytalkedaboutthethingsandpersons()theyrememberedwhentheysstudiedattheschool.
13thiswasthebesthelp()icouldgiveyouatthattime.
14isthiscompanytheone()youworkedhalfayearago?
15theyhavetosellthefarm()theybought2weeksago.