The dinosaur's egg are found by explorers in the ( )
The dinosaur's egg are found by explorers in the ( )
A 1920s B1920's C1920s' D1920'
为什么选A?世纪年代的写法是什么?什么时候可加the呢?求用法
Shakespeare was born in____.A.1660s B.1660's C.the 1660 D.the 1660's
这里为什么选D呢?'S什么时候可以用呢?那为什么第一题不能用B呢?