After two hours of walking, they came to the camp site, ______ .

Mr. Black _____ for Shanghai in a few days. Do you know when the earliest plane ____on Sunday?

---What’s wrong with you, Mr. Keller? --- I’ve had a very bad headache for two days. At first, I ______ I caught a cold, but the medicine ______.

A poet and artist ______ coming to speak to us about Chinese literature and painting tomorrow afternoon.

She might have been in time for the train, but she _______late.