I

had

a

dream

last

night.昨晚我做了個夢。

In

the

dream,

I

became

a

policeman.

在夢裡，我變成了個警察。

I

met

a

thief

in

the

street.我在街上遇到了一個賊。

I

saw

him

stealing

an

old

man"s

wallet.我看到他在偷一個老人的錢包。

I

caught

him

at

once.

我l立刻抓住了他。