根据括号里的提示完成句子Are these key ____?(you)This boat ____to sally t

根据括号里的提示完成句子
Are these key ____?(you)
This boat ____to sally three years ago.(belong)
These two pens are____.(I)
Whose are these notebooks?They are ____(Amy)
Are those black umbrellas_____?(they)
There are some forks on the shelf.They are ____.(we)
That beautiful watch belongs to ____.(she)
Can you buy some flowers for ____?（he)
Did ____ sister go to the office?(you)
The new pictures belong to ____.(we)