第1个回答 推荐于2017-09-20
a long time ago
英 [ə lɔŋ taim əˈɡəu] 美 [e lɔŋ taɪm əˈɡo]
adv.
很久以前; 悠远
网络
好久以前; 很久之前; 很久很久以前
e must have started writing his book a long time ago.
他一定很久以前就开始写这本书了。
He made a promise to his great-grandfather? That would have been a long time ago.
他曾向他的曾祖父许下承诺?那准是很久以前的事情了。本回答被提问者采纳
第2个回答 2016-04-13
a long time ago
英 [ə lɔŋ taim əˈɡəu] 美 [e lɔŋ taɪm əˈɡo]
adv.
很久以前; 悠远
He must have started writing his book a long time ago.
他一定很久以前就开始写这本书了。
第3个回答 2016-11-27
a long time ago
英[ə lɔŋ taim əˈɡəu] 美[e lɔŋ taɪm əˈɡo]
adv. 很久以前; 悠远;
[例句]He must have started writing his book a long time ago.
他一定很久以前就开始写这本书了。
第4个回答 2016-12-05
a long time ago=long long ago 意思应该是过了相当长的时间后