经典句型：Mom,I couldn't find my watch. 妈妈，我找不到手表了。

A:Mom,I couldn't find my watch.

甲:妈妈，我找不到手表了。

B:Did you drop it on the way to school?

乙:是不是掉在上学的路上了?

A:It's impossible.I didn't wear it this morning.

甲:不可能。我今天早上没戴手表。

经典句型：I lost my ID card. 我把身份证弄丢了。

A:I lost my ID card.

甲:我把身份证弄丢了。

B:Why were you so careless?

乙:你怎么那么不小心?

A:I left my bag on the bus.

甲:我把包忘在公交车上了。

B:Which bus did you take?

乙:你乘坐哪路车?

A:Bus No.5.

甲:5路。

B:You can call the Public Transport Company to see whether they have any information about it.

乙:你可以给公交公司打电话问问他们是否有什么信息。