1,-Where're ( ) [they] rackets?

1,-Where're their [they] rackets?
-They're in the classroom.
2,What colour is this kite?[改为同义句]
what 's the kite's colour?
3,Whose car is this?[改为同义句]
who's in possession of this car?
4,A:( )[这是什么?] what's this?
B:( )[是一条裤子] it's a pair of trousers.
A：Whose[谁的] trousers are they?
B:( )[爸爸的] they're father's.
5【连词成句】,your take rackets and Lily Nick
Lily and Nick take your rackets.
6,The trousers is dark blue.[是深蓝色的].