英语中年代,世纪怎么表达
如19世纪80年代的表达
还有两道题1.David's cousin became a solider in ______.he was in____at that time.
A.1990's,twenties B.the 1990's,his twenties C.the 1990's,the twenties
D.1990's,the twenties
2.The accident happened_______.
A.in 1880s B.in the 7880 C.in the 1880s D.in the 1880's
麻烦好好回答 答得好可以加分