用where，when，why，that，which，whether或whom填空
（1）Do you remember the scene

where

where

Cao Cao and Liu Bei were drinking？
（2）He didn't know

whether

whether

to go on or stop．
（3）I walked up to the top of the hill with my friends，

where

where

we enjoyed a splendid view of the lake．
（4）I will never forget the days

when

when

I was taken good care of in that village．
（5）None of us know the reason

why

why

Tom was absent from the meeting．
（6）The reason

that/which

that/which

he explained at the meeting for his absence didn't make sense．
（7）I still remember the night

when

when

she left the house．
（8）However，this was a time

when

when

one had got to have a passbook to live in Johannesburg．
（9）Today we have reached a stage

where

where

we have almost no rights at all．
（10）The days are gone

when

when

physical strength was all you needed to make a living．
（11）Do you know the reason

why

why

John is so angry？