Guess, how much does it cost—I think itcosts 15 and 20 dollars.

She is very ______ about her ugly appearance, so you shouldn’t stare at her.

To achieve a bright future, we should study hard keep in good health.—I agree with you.

No sooner ________in the distance______a storm began to pour

round the Water Cube, we were then taken to seethe Bird’s Nest .