used to be后加什么？
used to be后加名词或形容词，意为过去曾经是；
Standards arent what they used to be.
现在的行为标准和过去不一样了。
My cars not as reliable as it used to be.
我的车不像过去那样靠得住了。
Steel used to be important in South Wales.
以前钢铁工业在南威尔士很重要。
Physics used to be very much a male domain.
物理学曾在很大程度上是男人的\'领域。
Vandalism used to be a rare occurrence here.
过去这里很少发生故意破坏公物的事。
She used to be so fussy about her appearance.
她过去过分在意自己的外表。
He used to be a pilot but now he has a desk job.
他曾是飞行员，但现在做办公室工作。