We mention the importance of giving up smoking once and again, but hardly ______ it.

—Do you like pop music or country music? —（ ）. I only like sports.

We have_____to the government for a home improvement loan.

I don’t know whether he is still （ ） in collecting coins. He used to be, but that was several years ago.

Able-bodied people just don’t realize how difficult it is _____ a job.

He studies so hard to avoid （ ） at the bottom of the class.

People in this area are in （ ） over the heavily polluted air.

You might not like the way Sam behaves, but please be kind to him.______ , he is your grandfather.

Many teenagers feel no difficulty （ ） computer.

The football player is hoping to（ ）to another team soon．

It is essential that all these figures （ ） twice.

I like staying alone at home more than （ ） with her to the shopping mall.