Rewrite the following sentences as required(根據(jù)所給要求，改寫下列句子。每空格限填一詞)

Fred plans to work in the charity hospital in the community．(改為否定句)

Fred ________ ________ to work in the charity hospital in the community．

句型轉換。

Some reporters are interviewing a government official on traffic problems now．(改為被動語態(tài))

A government official is ________ ________ by some reporters on traffic problems now．

句型轉換。

Lisa didn't hang out with her friends yesterday．(改為肯定句)

Lisa ________ out with her friends yesterday．

句型轉換。

Mr．Brown and his wife have been married for 20 years．(改為同義句)

Mr．Brown and his wife ________ ________ 20 years ago．

句型轉換。

Mom felt tired after she cooked for the whole family．(改為簡單句)

Mom felt tired after ________ for the whole family．

句型轉換。

The boy has been to the U．S．A．twice．(對畫線部分提問)

How ________ ________ has the boy been to the U．S．A．?

句型轉換，每空一詞。

He wants to be a teacher．(劃線部分提問)

________ does he ________ to be?

句型轉換，每空一詞。

Look at that boy．He has short hair．(合成一句話)

Look at that boy ________ short hair．

句型轉換，每空一詞。

She has long hair and big eyes．(一般疑問句)

________ she ________ long hair and big eyes?

句型轉換，每空一詞。

My grandfather is reading the newspaper now．(劃線部分提問)

________ is your grandfather ________ now?