It’s said that corn was grown a lot in Tibet .A. in 17th centuryB. in the 17th centuryC. i

发布时间：2020-08-15 00:14:38

 It’s said that corn was grown a lot in Tibet     .
A. in 17th century
B. in the 17th century
C. in 17 century
D. in the 17 century

网友回答

A. in 17th century
(答案→)B. in the 17th century
C. in 17 century
D. in the 17 century
解析：固定表达，B符合。
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