--- Linda, pass my glasses to me, please. I can _____read the words in the newspaper.---OK.

I think computers are very useful．They can help us get much      on the Internet．

 It worries our government a lot that the air in our city is _______than it used to be.

 It’s not safe for you to go to the forest alone, for you ________ lose your way in it.

This week, the _______ seems to change every day: one day is hot; the next day is cold.