Until the 16th century the earth______to be flat.

admin2014-09-24  27

问题 Until the 16th century the earth______to be flat.

选项 A、is believed
B、has been believed
C、believed
D、was believed

答案D

解析 until the 16th century指的是过去,故只能选D。
转载请注明原文地址:https://kaotiyun.com/show/eRWO777K
0

最新回复(0)