If you have __________ where my lock might be, please tell me at once.

Though they are______little children , they have worked out _______many difficult math problems.

  I’d love to go to the English evening. But I’m a little ________, because I will be asked to sing an English song in front of the whole school.

Now the air in our town is __ than before. Yes. Something must be done to stop the pollution.

The food smells _____. I don’t like it.