用下列介词填空.in on from to for

用下列介词填空.in on from to for1.Hi,Dick,where are you___?2.Happy brithday___you!3.Here's a gift___you.4.What's this___English?5.We can watch a film___computer.6.Our classroon is___the second floor.7.My brithday is___May.8.___Sunday afternoon,I often play football with my friends.最好说下介词的用法、如果很好的话我会加分.