Tom has been to the US before．（改为否定句）
Tom to the US before．
The house belongs to Mr. Smith，but he here any more．（ ）
A．hasn't livedB．didn't live
C．wasn't livingD．doesn't live
She has finished her schoolwork.（改为完成句子）
She her schoolwork.
This volleyball must belong to Carla．（改为否定句）
This volleyball Carla's．
Dave's father went to bed after he came back home last night．（改为同义句）
Dave's father go to bed he came back home last night．
He's made a decision to teach in the village school. （改为否定句）
He a decision to teach in the village school.
Li Ling is good at writing poems．（改为否定句）
Li Ling good at writing poems．
The boys can play chess in the afternoon．（改为否定句）
The boys chess in the afternoon．
We held a welcome party for the exchange students yesterday．（改为否定句）
We a welcome party for the exchange students yesterday．
Let's a noise，someone is sleeping．（ ）
A．not makeB．no making
C．not to make
We are going to have a school trip after the exam．（改为否定句）
We going to have a school trip after the exam．
Jeff played tennis with his classmates yesterday．（改为否定句）
Jeff tennis with his classmates yesterday．
Li Lei does the housework every day．（改为否定句）
Li Lei the housework every day．
I______sleep very well， but then I started doing yoga and it really helps．（ ）
A．didn't use toB．used to
C．was used toD．wasn't used to
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