Where ______ the post office?
The young teacher _______ gave us a lesson yesterday comes from Beijing.
— I called you at nine this morning, but there was no answer.— Oh, sorry, I ______ with my sister in the shopping center.
—What is mum cooking in the kitchen? —Fish, I guess. How nice it _____!
If all of us pass the exams, a party _______ to celebrate it.
I want to know ______ you will be back before 8:00 tomorrow morning.