—Yes, he did. They each other for ages.
A:didn't see
B:wouldn't see
C:haven't seen
D:hadn't seen
《敕勒歌》是____北朝敕勒族的民歌,收录在《____》中。乐府,是汉代设立的一个音乐机构,它的任务是制礼作乐、搜集歌辞和训练乐员。所搜集的配乐的诗歌,就叫乐府诗,有的出于文人之手,有的是民歌。
—Yes, he is American actor.
将字母“d”放在低倍镜下观察,视野中看到的像是( )