1)who_it?Grandfatherdid.A.boughtB.didbuy我选的B答案是A2)itskeptinthelivingroom.thatswherewe_it.A.haveB.hold我选的B答案是A3)thevisitordamagedit.she_it.A.destroyedB.broke我选的A答案是B,帮我分析下我这三道错在

　　1)who_it?Grandfatherdid.

　　A.boughtB.didbuy我选的B答案是A

　　2)itskeptinthelivingroom.thatswherewe_it.A.haveB.hold我选的B答案是A

　　3)thevisitordamagedit.she_it.A.destroyedB.broke我选的A答案是B,帮我分析下我这三道错在哪里,