this maths problem is more differicult than that one （同义句） Mary is taller than the other girl
this maths problem is more differicult than that one （同义句）
this maths problem____　____ ____ ____ that one
Mary is taller than the other girls in our class.(同义句)
Mary is taller than____　____ ____in our class.
不要网上的,自己做