How time flies! It has been ten years I moved to Chongqing

The footprints are quite ______;they must befresh. [ ]

I wonder if Jim ________ for a walk with us in the park tomorrow.— He will if he ________ free.

John looked at the old photo to _______ his memory of the happy days when he was at school.[ ]

I must be off now, but I hope we can _____ each other _____ letter[ ]