I think it's Tom's如何改成否定句
I think it's Tom's如何改成否定句
I think it's Gary's改为否定句
I think it's boring的否定句 He thinks it's boring的否定句
I think it's an exciting movies.(改为否定句)
I think it\'s exciting的否定句
i think it's his 变否定句
I think it's her baseball 改否定句
I think it's a quiet street 改为否定句
I think it's exciting.(改为否定句)
It's a pen改成否定句
It’s dangerous.改成否定句
Tom's mother can swim fast 改成否定句