The exhibition _____ such endangered animals as the giant panda and the Siberian tiger and describes the work being done to protect them.
—I'm sorry, but I don't quite follow you. Did you say you wanted to return on September 20?—Sorry, I __________ myself clear. We want to return on October 20.
I have to see the doctor because I __________ a lot lately.
When you are home, give a call to let me know you __________ safely.
Tom __________ in the library every night over the last three months.
—I remember you were a talented pianist at college. Can you play the piano for me?—Sorry, I __________ the piano for years.