Mother\'s Day is thought to __________in

恬恬2019-12-17 14

问题 Mother's Day is thought to __________in the 19lOs, isn't it?

选项 A．first markB．be first markedC．have first markedD．have first been marked

答案D

解析考查动词时态和语态。to have done表示mark的动作发生在谓语动词think之前，句意为“母亲节最早被庆祝是在二十世纪头十年．不是吗 ”，故选D。

转载请注明原文地址:https://ti.zuoweng.com/ti/oKSlKKKQ

相关试题推荐

随机试题

__________hermotherstartedtogototh