Remember to ________ a good state of mind even if you should fail plenty of times．

Several rounds of air and ground attacks from the allied force left the whole city ______.

That night the band played many old songs, __________ the famous American song Country Road by John Denver.

“I’d like to buy an expensive camera.” “Well, we have several models ______.”

 —What’s wrong with you, Darling?—I’m _____a fever. I think I am dying.