Question

They said, "We have built a sand castle here."​

Answer 1

Answer:

They said that they had built a sand castle there.

or " told " " " " " " " " .

Answer 2

☞￣ᴥ￣☞ INDIRECT SPEECH :

• THEY SAID THAT THEY HAD BUILT A SAND CASTLE THERE.

HOPE IT HELPS ❣️｡.ﾟ+ ⟵(｡･ω･)