1.Apersondiscoveredapot_A___manychinesemetalcoinsa.cotainingb.cotainedc.whichcontainingd.whichiscontained2.Accordingtothetimetables,ourtrain__A__atseveno`clockinthemorning.a.leavesb.hasleftc.willleaved.left3.Theboywassc

　　1.Apersondiscoveredapot_A___manychinesemetalcoins

　　a.cotainingb.cotainedc.whichcontainingd.whichiscontained

　　2.Accordingtothetimetables,ourtrain__A__atseveno`clockinthemorning.

　　a.leavesb.hasleftc.willleaved.left

　　3.Theboywasscoidedbecausehewascaught_D___applesfromtheneighbor`stree.

　　a.topickb.havingpickedc.pickd.picking.

　　4.Iwouldlove__D__tothecinemayesterday,butIhadtostayathome,lookingaftermysickingmother.

　　a.goingb.havinggonec.togod.tohavegone

　　5.Thefirstuseofatomicweaponswasin1945,andtheirpower_C___increasedenormouslyeversince.

　　a.isb.wasc.hasbeend.hadbeen(我选D用于过去时间为什么不用过去完成时）

　　6.Theyoungman__B__youtoldmeyesterdayprovedtobeacriminal.

　　a.whob.aboutwhomc.whomd.withwhom

　　7.Thereson____hisbeinglatewas____hegotupl

　　没写完7.Thereson____hisbeinglatewas____hegotuplate.

　　a.why,thatb.why,becausec.for,thatd.for,because(这两题定语从句很模糊）

　　麻烦大家看在我费力手打的情况下帮我解答下