按要求完成句子。

Her mother has been a Party member for three years．(改为同义句)

Her mother ________ the Party three years ________．

按要求完成句子。

Miss Gao left an hour ago．(改为同义句)

Miss Gao ________　________　________ for an hour．

按要求完成句子。

This factory opened twenty years ago．(改为同义句)

This factory ________　________　________ for twenty years．

按要求完成句子。

They have been here since 2000．(对画线部分提问)

________　________ have they been here?

用所给词的适当形式填空。

The old man ________(die)last year．He ________(die)for a year．

用所给词的适当形式填空。

He ________(finish)his homework and is now listening to music．

用所给词的适当形式填空。

We ________ just ________(talk)about you．

用所给词的适当形式填空。

He ________(not visit)Beijing yet．

用所给词的适当形式填空。

How long ________ you ________(stay)at home already?

用所给词的适当形式填空。

I ________(not hear)from my friend Lingling recently．