下列各句中，表达得体的一句是(　　)

Why did Tom fail the ELTS again?— He didn’t________preparing for it at all,I think. [ ]

wly built cafe, the walls of ______ paintedlight green, is really a peaceful place for us, especially after hard work.

Let Simon ___ __ right away.— Yes, I will.

The cake is delicious. May I have ________ one