ried home,never once looking back to see if he_________.

I phoned you at seven last night, but nobody answered.— Oh, I ______ some shopping in the supermarket.

In this experiment, they are woken up several times during the night, and asked to report what they＿＿

Did he come back early last night—- Yes. It was not yet eight o’clock _______ he arrived home.

I called you yesterday afternoon, but nobody answered.—Oh, I ___________ in the playground.