.1.Maths is ___ useful subject.You can’t drop it ,I think.A.
.1.Maths is ___ useful subject.You can’t drop it ,I think.A.an B.a C.the D./2..____ bad weather it is!A.How B.What a C.How a D.What3.—What color is ___ orange?--It’s _____ orange.A.an; an B.an ; the C.an ; / D./ ; an注：谢咯~
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