We should like to go __over________ the house before deciding whether we want to buy it.)It was in the room _where_________ he was born ____that______ he was murdered.that ・・・where where ・・・that that ・・・that where ・・・where Scientists have done __much research ________ to reveal the effects of cigarette smoking.many research many searches much research much search 这三道题你做错了,我给你纠正一下

We should like to go __over________ the house before deciding whether we want to buy it.
)It was in the room _where_________ he was born ____that______ he was murdered.
that ・・・where
where ・・・that
that ・・・that
where ・・・where
Scientists have done __much research ________ to reveal the effects of cigarette smoking.
many research
many searches
much research
much search
这三道题你做错了,我给你纠正一下