英语 一道关于不定冠词的选择题Because of demoand for Type AB blood,suply of it is limited.a,the,an应该填哪一个,最好总给一些规律,

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 05:03:31
xX[SI+VRV5JJL(@$@翸=3ONd kKY[R*3ݧO9+Z*̨+pj4F-eUff#"oY=f>xF}= L/&}lx=F=ɉd2>ƃlboԫy|iRC{zlP#kN3h_R:"7& 4[-B0v1f?1BE$*p9\CJ)(!hoK/Vw^ʝj[0#u[r\ZgvVe63U+ӇGfa",1y\hx|FpRq6$_\ak s=h ԍzX'W^2s." vd  hYIFqDuH,!UFoB-Pq!HvgԢ͓EDP+E2TEeԚ4eX ¥H̳79s\?y|JہWF-gf6oܭ7՗!EUp +ahE[?_}C66tL5=Ѧ|l&8Mnsӆ&l/ׅËVV=cc^w`/PWWxKMkPaJ)JU8(F=rњ>bT,kRf4Jıl)~1yR|E;$4wJMo(ruy'w$N0k]{%$FU0]'mg9nqRJN*CsNn  C()((cKKV'$Bi#q[frBsj-.uX7I䳙M|B/eR.x6{b+*+"6WHVH''ٽrt'IGYp [{2'zJ|zë=HxDݠ[3$% Ydtv$  9ծ _?(R3]r?ֹFԌ3^?Wӝٙʆ@&FHךYzh6oÇ:>*xe|ySbXb^RmsB}w90|0|MS~Rѧ$h̢H51C%tDNUCUœJ(?E5ۤk=Xm4z>o]>6H`F>gs0}Lj{8V7 X