—Bob has gone to California.—Oh, can you tell me when he ______?
After several rounds of I’m a Singer competition, Yu Quan _______ because of their excellent voices and performance.
This is not an economical way to get more water; ____, it is very expensive.
You should be ___________ confronting your roommates over any problems, especially if you have just met. Remember, be polite but firm.
A pilot climbed into the jet and off he ______, leaving the ground far behind.
Managing money has long been a headache for students mostly supported by their family, who find it ________ to deal with their finances.