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
Managing money has long been a headache for students mostly supported by their family, who find it ________ to deal with their finances.
A．challenging B．rewarding C．demanding D．exciting
The most delicious cake in the world____ by mom. Please wait an hour to enjoy it.
A．makes B．is made C．is being made D．is making
The technology of electronic products is ________changing, so you needn’t follow the fashion.
A．rarely B．approximately C．automatically D．constantly
