We have to stay at home ________ the heavy rain.
The doctor did what he could ________ the dying man.
Please don't forget ________ the room while I am away in Beijing.
I saw John ________ near the river on my way home.
—I'm very tired these days because of studying for physics. —Why not ________ music? It can make you ________.
—Hi, Tom! Can you tell me when ________ for London? —Yes, tomorrow afternoon.