--Why do you look so upset, Linda?
--There are so many troublesome problems____.
| A．remaining settled | B．remaining to be settled |
| C．remained to settle | D．remained to be settled |
–Has your father returned from Africa yet?
–Yes, but he _____here for only three days before his company sent him to Australia.
| A．has been | B．will be | C．would be | D．was |
After several rounds of I’m a Singer competition, Yu Quan _______ because of their excellent voices and performance.
| A．put out | B．picked out | C．broke out | D．stood out |
This is not an economical way to get more water; ____, it is very expensive.
| A．on the contrary | B．on the other hand | C．in short | D．in all |
You should be ___________ confronting your roommates over any problems, especially if you have just met. Remember, be polite but firm.
| A．curious about | B．cautious about | C．adapt to | D．accustomed to |
A pilot climbed into the jet and off he ______, leaving the ground far behind.
| A．went | B．drove | C．flew | D．took |