What a beautiful dress you are wearing! It must be expensive. —No. It only ____ me fifty yuan.

The little boy had three ______ for breakfast.[ ]

When you’ve finished school, don’t forget to come back to visit your school, ______?

______adultsbegantolearnEnglishinthissmalltown.

If there are _______ people driving, there will be _______ air pollution.—Yes, the air will be fresher.