The old couple married thirty years ago．（改为同义句）
The old couple have for thirty years．
The concert will start in half an hour．（对画线部分提问）
will the concert start？
When will Ms．Zhu leave？ I didn't know． （改为含有宾语从句的复合句）
I didn't know Ms． Zhu leave．
Lucy' s mother often makes her read English aloud at home．（改为被动语态）
Lucy is often made English aloud at home．
At first， he didn't know what he could do in the new group．（改为简单句）
At first， he didn't know do in the new group．
We will solve the problem in two weeks． （改为被动语态）
The problem will by us in two weeks．
He used to go mountain climbing with his friends．（改为一般疑问句）
he to go mountain climbing with his friends？
I spent an hour at the station waiting for the train. （改为同义句）
It me an hour wait for the train at the station.
This volleyball must belong to Carla．（改为否定句）
This volleyball Carla's．
Li Ziqi has made some excellent videos about Chinese culture． （改为一般疑问句）
Li Ziqi made excellent videos about Chinese culture？
Finally，the police officer caught the thief. （改为被动语态）
Finally，the thief by the police officer.
How's the weather today？（改为同义句）
the weather today？
Making a good plan is half the work itself． （改为同义句）
It's half the work itself a good plan．
I don 't know the man． The man is talking with our headteacher（改为含有定语从句的复合句）
I don't know the man talking with our headteacher．
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