The story of ________ past.

It was half a year ______ my good friend returned to his hometown.[ ]

There’s someone outside. Who it be ?— It must be Mary. She promised to come over at 8: 00.

You’d better take an umbrella with you______ you won’t get wet.

I hear your pen friend is visiting Suzhou at present. Is it the ______ time for her — Yes, and she will come for a fourth time next summer.