_____ interested her most was the longitude line. It’s an imaginary line ______ the eastern and western halves of the world.

It can be cheaper to buy a new washing machine than to get your old one _____. 

9.With the world changing fast, we have something new           with all by ourselves every day.

The experts advise______our army_________modern weapons.

.Xinyu, a city dubbed as “a pearl in western Jiangxi province”, was struck by a heavy rain last week, ________ serious traffic problems.