1.IttakeusnearlyhourtogotoKoreabyair.A.an,aB.a,anC.an,/D.a,the2.boyhurthisleg.Heisinhospitalnow.A.A,aB.the,aC.The,theD.The,/3.BlackaregoingtotheparkthisSunday.Whydon'twegoforw

Question

1.It take us nearly ______ hour to go to Korea by _______ air.A.an,a B.a,an C.an,/ D.a,the
2._____ boy hurt his leg .He is in _____ hospital now.A.A,a B.the,a C.The,the D.The,/
3.______ Black aregoing to the park this Sunday.Why don't we go for _____ walk?A.A,a B.An,/ C.The,a D./,a
4.The scientist from ______ United States live in ______ Ninthe Street.A.the,the B./,the C./,/ D./,a
5.______ Greens are on _____ visit to a beautiful city in China.
A./,a B.A,the C.The,a D.The,/
请简单说明为什么,请不要乱答（真的～）

Answer 1

1.C.an,/ hour前用an ,因为h不发音,air是飞机的意思,by直接加交通工具2.D.The,/the boy,特指那个男孩 ; in hospital 住院 in the hospital 在医院里3.C.The,a根据"______ Black are going"的are,可判断是多人,所以是...