---Could you tell me when Mr. Li _______ in Changchun? ---Sure. When he _______, I’ll call you.
Sandra said she would be back _____ this morning.
Do they work _____ the day time or _____ night?
Lily had left ______ the time we arrived.
He arrived _______ Shanghai _______ the morning of January 5.
Jack was about to lock the door when he just _____ time he remember his key.