列句:He bought a house last year.Did he buy a house last year?He didn't buy a house last year.

问题描述:

列句:He bought a house last year.Did he buy a house last year?He didn't buy a house last year.
列句:He bought a house last year.
Did he buy a house last year?
He didn't buy a house last year.
下个句子来写:He lost his umbrella yesterday

he lost his umbrella yesterday
did he lose his umbrella yesterday?
he didn't lose his umbrella yesterday.