We were _____ by the beauty of the teachers performing on the stage.[ ]

Do you know _____the deadly disease—Yes, we should have a good habit about health.

________ it was very hot, he still played basketball on the playground.— He is crazy about basketball.

What kind of volunteer work would you like to do—I’d like to __________ sick kids in hospital.

I turn on the TV for you，Grandpa?一Yes，thanks a lot，my dear. You’re so considerate.