We don’t have_______ salt at home. Could you go and get _______, please

John brought over my letter _______ to him by mistake.

What’s the noise outside— Some children ________ hide-and-seek in the yard.

－Where did you put the car keys? －Oh, I ______ I put them on the chair because the phone rang as I ______ in.

We all know that a smile is usually a sign ________ people feel friendly and happy.