Most students think they should have ______ time and energy to develop their own interests.

-What do you think of the traffic in our city?-lt's    than it used to be, but there's still a long way to go.

We hope that with the help of the new skill, Liu Xiang can run ________than before.

-Though radio and television are ____ popular in the world today, I think the TV is ____ useful.--Of course, on TV we can see and hear what is going on home and abroad.

The building is the second        in our town。