英语三题选择 1.___ that business has been had in the past fews yea

英语三题选择
1.___ that business has been had in the past fews years ,we will have to close the snack bar.
A.considered B.considering C.to consider D.consider
2.Bill spends a lot of time collecting stamps,__ new ones to his collection.
A.adds B,added C.adding D.having added
3.Don't hesitate to ask me for help if you want something __
A.being done B done C to do D doing
越快越好,最好说下理由.
因为我还有好多题..谁这两题答的好,下面都给他答!