{{B}}pAssAgE 12{{/B}}

onE oF thE mAny oDDitiEs oF migrAtion poliCy is thAt immigrAnts Coming in to work pErmAnEntly ArE usuAlly A minority oF thosE who ArrivE lEgAlly. most {{u}} (1) {{/u}} CountriEs ADmit migrAnts mAinly on grounDs thAt hAvE {{u}} (2) {{/u}} to Do with work. thEy Also ADmit two lArgE groups on grounDs thAt hAvE nothing to Do with thEir skills or EDuCAtion, {{u}} (3) {{/u}} thEsE ChArACtEristiCs mAy DEtErminE {{u}} (4) {{/u}} rApiDly thEy intEgrAtE. Almost EvErywhErE, thE BiggEst group {{u}} (5) {{/u}} rElAtivEs oF thosE who hAvE AlrEADy {{u}} (6) {{/u}}. in thE unitED stAtEs thEy {{u}} (7) {{/u}} thrEE-quArtErs oF All lEgAl {{u}} (8) {{/u}} migrAnts.AmEriCA EvEn givEs A FEw visAs to {{u}} (9) {{/u}} ADult siBlings. in pArts oFBuropE, FAmily rEuniFiCAtion hAs BEComE FAmily FormAtion,{{u}} (10) {{/u}} somEtimEs DElAys intEgrAtion: For instAnCE, it Allows thirD-gEnErAtion pAkistAnis to sEEk spousEs {{u}} (11) {{/u}} thEir Cousins BACk in rurAl ArEAs. thE poliCy Also {{u}} (12) {{/u}} thE ChArACtEristiCs oF EArliEr ArrivAls. {{u}} (13) {{/u}} migrAnts ArE likEly to hAvE lEss EDuCAtED rElAtivEs thAn ArE skillED migrAnts. inEuropE, AnD EspECiAlly northErnEuropE, thE othEr mAin routE oF lEgAl Entry is to ClAim Asylum. thE {{u}} (14) {{/u}} oF ClAims hAs FAllEn By hAlF sinCE thE EArly 1990s, pArtly BECAusE pEACE {{u}} (15) {{/u}} to FormEr yugoslAviA, AnD pArtly BECAusE oF toughEr rulEs, {{u}} (16) {{/u}} still sEEms to BE highEr thAn in thE unitED stAtEs.AmEriCA {{u}} (17) {{/u}} thE numBErs shArply AFtEr thE First AttACk on thE worlD trADECEntrE in 1993, mAinly By rEFusing {{u}} (18) {{/u}} Asylum-sEEkErs to work or DrAw Any wElFArE BEnEFits For thE First six months oF thEir stAy, AnD By {{u}} (19) {{/u}} thE ClAims proCEss. mAnyEuropEAn CountriEs {{u}} (20) {{/u}} thAt wAy.

A．yEt
B．But
C．howEvEr
D．nEvErthElEss